diff --git a/app.js b/app.js
index 4946f2f..00e3092 100644
--- a/app.js
+++ b/app.js
@@ -6,6 +6,7 @@ let logger = require("morgan");
 let config = require("./config/config.json");
 
 let indexRouter = require("./routes/index");
+let registerRouter = require("./routes/register");
 let loginRouter = require("./routes/login");
 let logoutRouter = require("./routes/logout");
 let commandRouter = require("./routes/command");
@@ -36,6 +37,7 @@ app.use(session(sess));
 app.use(express.static(path.join(__dirname, "public")));
 
 app.use("/", indexRouter);
+app.use("/register", registerRouter);
 app.use("/login", loginRouter);
 app.use("/logout", logoutRouter);
 app.use("/command", commandRouter);
diff --git a/models/department.js b/models/department.js
index 4a29790..10fc552 100644
--- a/models/department.js
+++ b/models/department.js
@@ -6,6 +6,7 @@ module.exports = (sequelize, DataTypes) => {
   class Department extends Model {
     static associate(models) {
       Department.hasMany(models.Command);
+      Department.hasMany(models.User);
     }
   }
   Department.init({
diff --git a/models/user.js b/models/user.js
index f318601..9236d7c 100644
--- a/models/user.js
+++ b/models/user.js
@@ -5,6 +5,7 @@ const {
 module.exports = (sequelize, DataTypes) => {
     class User extends Model {
         static associate(models) {
+            User.belongsTo(models.Department);
         }
 
         checkPassword(password) {
@@ -19,6 +20,23 @@ module.exports = (sequelize, DataTypes) => {
             type: DataTypes.STRING,
             primaryKey: true
         },
+        email: {
+            type: DataTypes.STRING,
+            allowNull: false,
+            validate: {
+                isEmail: true
+            }
+        },
+        firstName: {
+            type: DataTypes.STRING,
+            allowNull: false,
+            unique: "userFullName"
+        },
+        lastName: {
+            type: DataTypes.STRING,
+            allowNull: false,
+            unique: "userFullName"
+        },
         passwordHash: {
             type: DataTypes.STRING,
             allowNull: false,
diff --git a/public/javascripts/index.js b/public/javascripts/index.js
index d79dd83..4d73b50 100644
--- a/public/javascripts/index.js
+++ b/public/javascripts/index.js
@@ -1,9 +1,5 @@
 const commandAction = document.getElementById("command-action");
 const rmButton = document.getElementById("remove-command");
-const more = document.getElementById("more");
-const dark = document.getElementById("dark");
-const about = document.getElementById("about");
-const contact = document.getElementById("contact");
 
 function lastCommandId() {
     let list = document.querySelectorAll("div.command h2");
@@ -33,21 +29,3 @@ rmButton.addEventListener("click", () => {
     if (id === 2)
         rmButton.classList.add("hide");
 });
-
-more.firstChild.addEventListener("click", () => {
-    dark.classList.remove("hide");
-    about.classList.remove("hide");
-});
-
-more.lastChild.addEventListener("click", () => {
-    dark.classList.remove("hide");
-    contact.classList.remove("hide")
-});
-
-dark.addEventListener("click", () => {
-    dark.classList.add("hide");
-    if (! about.classList.contains("hide"))
-        about.classList.add("hide");
-    else
-        contact.classList.add("hide");
-});
diff --git a/public/javascripts/layout.js b/public/javascripts/layout.js
new file mode 100644
index 0000000..638faf3
--- /dev/null
+++ b/public/javascripts/layout.js
@@ -0,0 +1,23 @@
+const more = document.getElementById("more");
+const dark = document.getElementById("dark");
+const about = document.getElementById("about");
+const contact = document.getElementById("contact");
+
+
+more.firstChild.addEventListener("click", () => {
+    dark.classList.remove("hide");
+    about.classList.remove("hide");
+});
+
+more.lastChild.addEventListener("click", () => {
+    dark.classList.remove("hide");
+    contact.classList.remove("hide")
+});
+
+dark.addEventListener("click", () => {
+    dark.classList.add("hide");
+    if (! about.classList.contains("hide"))
+        about.classList.add("hide");
+    else
+        contact.classList.add("hide");
+});
diff --git a/public/stylesheets/style.css b/public/stylesheets/style.css
index e790b26..f95c987 100644
--- a/public/stylesheets/style.css
+++ b/public/stylesheets/style.css
@@ -56,8 +56,8 @@ a {
   font-size: 100%;
 }
 
-.field input[type="text"], .field input[type="list"], .field input[type="date"], .field input[type="number"],
-.field input[type="checkbox"] {
+.field input[type="text"], .field input[type="list"], .field input[type="date"], .field input[type="password"],
+.field input[type="number"], .field input[type="checkbox"], .field input[type="email"] {
   height: 2.5vh;
   border-top: none;
   border-left: none;
@@ -165,6 +165,26 @@ p.before-link a::before {
   justify-content: space-around;
 }
 
+#user {
+  position: fixed;
+  top: 0;
+  right: 0;
+  display: flex;
+  padding: 0.3em;
+  background-color: white;
+  border-radius: 0 0 0.3em 0.3em;
+  box-shadow: 0.5em 0.5em 0.5em rgba(0, 0, 255, .2);
+}
+
+#user>p, #user>a {
+  margin: 0.1em;
+}
+
+#user>a {
+  text-decoration: underline;
+  color: black;
+}
+
 @media (hover: none) and (pointer: coarse) {
   body {
     font-size: xx-large;
diff --git a/routes/admin.js b/routes/admin.js
index 5fff6dd..7eed48f 100644
--- a/routes/admin.js
+++ b/routes/admin.js
@@ -5,7 +5,7 @@ let models = require("../models");
 
 
 router.get("/", sessionCheck(3), async (req, res) => {
-    res.render("admin", {title: "SOD", sandwiches: await models.Sandwich.findAll(), users: await models.User.findAll()});
+    res.render("admin", {title: "SOD", user: req.session.user, sandwiches: await models.Sandwich.findAll(), users: await models.User.findAll()});
 });
 
 module.exports = router;
diff --git a/routes/index.js b/routes/index.js
index 5ae3fda..87bec13 100644
--- a/routes/index.js
+++ b/routes/index.js
@@ -5,7 +5,7 @@ let models = require("../models");
 router.get("/", async (req, res) => {
   let departments = await models.Department.findAll();
   let sandwiches = await models.Sandwich.findAll();
-  res.render("index", { title: "SOD", departments: departments, sandwiches: sandwiches });
+  res.render("index", { title: "SOD", user: req.session.user, departments: departments, sandwiches: sandwiches });
 });
 
 module.exports = router;
diff --git a/routes/orders.js b/routes/orders.js
index 8c23fb8..f2d5265 100644
--- a/routes/orders.js
+++ b/routes/orders.js
@@ -23,7 +23,7 @@ router.get("/", sessionCheck(2), async (req, res) => {
             commands[i.Command.DepartmentName][name][i.Command.id] = []
         commands[i.Command.DepartmentName][name][i.Command.id].push(i);
     }
-    res.render("orders", {title: "SOD", commands: commands, date: date});
+    res.render("orders", {title: "SOD", user: req.session.user, commands: commands, date: date});
 });
 
 module.exports = router;
diff --git a/routes/register.js b/routes/register.js
new file mode 100644
index 0000000..2ca5969
--- /dev/null
+++ b/routes/register.js
@@ -0,0 +1,50 @@
+let express = require("express");
+let router = express.Router();
+let models = require("../models");
+
+
+router.get("/",  async (req, res) => {
+    if (req.session.user)
+        res.redirect("/");
+    else
+        res.render("register", {title: "SOD", departments: await models.Department.findAll()});
+})
+    .post("/", async (req, res) => {
+        if (!req.body.username || !req.body.email || !req.body.firstName || !req.body.lastName ||
+            !req.body.department || !req.body.password)
+            res.render("error", {message: "Invalid register !", error: {status: "Missing args"}});
+        else if (await models.User.findByPk(req.body.username))
+            res.render("error", {message: "Invalid register !",
+                error: {status: "Username already taken"}});
+        else if (await models.User.findOne({where: {firstName: req.body.firstName,
+                lastName: req.body.lastName}}))
+            res.render("error", {message: "Invalid register !",
+                error: {status: "First & last name already register"}});
+        else if (await models.User.findOne({where: {email: req.body.email}}))
+            res.render("error", {message: "Invalid register !", error: {status: "Email already used"}});
+        else {
+            let department = await models.Department.findByPk(req.body.department);
+            if (!department)
+                res.render("error", {message: "Invalid register !",
+                    error: {status: "Invalid department"}});
+            else {
+                try {
+                    let user = await models.User.create({
+                        username: req.body.username,
+                        email: req.body.email,
+                        firstName: req.body.firstName,
+                        lastName: req.body.lastName,
+                        passwordHash: req.body.password
+                    });
+                    await user.setDepartment(department);
+                    req.session.user = user;
+                    res.redirect("/");
+                } catch (e) {
+                    res.render("error", {message: "Registration fail !", error: {}});
+                    throw e;
+                }
+            }
+        }
+    });
+
+module.exports = router;
diff --git a/routes/sandwiches.js b/routes/sandwiches.js
index 2b50a43..0d90d19 100644
--- a/routes/sandwiches.js
+++ b/routes/sandwiches.js
@@ -10,6 +10,7 @@ router.get("/", sessionCheck(1), async (req, res) => {
 
     res.render("sandwiches", {
         title: "SOD",
+        user: req.session.user,
         sandwiches: await models.SandwichCommand.findAll({
             attributes: ["SandwichName", [sequelize.fn("COUNT", sequelize.col("SandwichName")), "number"]],
             where: {date: date},
diff --git a/views/index.pug b/views/index.pug
index d807c5c..bcd6d2a 100644
--- a/views/index.pug
+++ b/views/index.pug
@@ -7,17 +7,17 @@ block content
     form#command(action="/command" method="POST")
       div.field
         label(for="department") Department:
-        input#department(type="list" list="department-list" name="department" autocomplete="off" required)
+        input#department(type="list" list="department-list" name="department" value=user ? user.DepartmentName : "" autocomplete="off" required)
         datalist#department-list
           each department in departments
             option(value=department.name)
 
       div.field
         label(for="firstname") First name:
-        input#firstname(type="text" name="firstName" required)
+        input#firstname(type="text" name="firstName" value=user ? user.firstName : "" required)
       div.field
         label(for="lastname") Last name:
-        input#lastname(type="text" name="lastName" required)
+        input#lastname(type="text" name="lastName" value=user ? user.lastName : "" required)
 
       div#command1.command
         h2 Command 1
@@ -39,50 +39,4 @@ block content
         each sandwich in sandwiches
           option(value=sandwich.name)
 
-  div#more
-    a About
-    a Contact
-
-  div#dark.hide
-  div#about.popup.card.hide
-    h1 About
-    p This software respond to the COVID-19 health crisis for the following students' offices food supply
-    div.images
-      div
-        img(src="images/logoBio.png")
-        p Bio student office
-      div
-        img(src="images/logoChimie.png")
-        p Chemical student office
-      div
-        img(src="images/logoGC.png")
-        p Civil engineering student office
-      div
-        img(src="images/logoGCGP.png")
-        p Chemical and process engineering student office
-      div
-        img(src="images/logoGEA.png")
-        p Management of companies and administrations student office
-      div
-        img(src="images/logoInfo.png")
-        p IT student office
-    p.before-link Made with ❤️ by
-      a(href="https://www.linkedin.com/in/florian-charlaix" target="_blank") Florian Charlaix
-  div#contact.popup.card.hide
-    h1 Contact
-    p.before-link Order issue:
-      a(href="mailto: ") test@test.fr
-    p.before-link Bio student office:
-      a(href="mailto: ")
-    p.before-link Chemical student office:
-      a(href="mailto: ")
-    p.before-link Civil engineering student office:
-      a(href="mailto: ")
-    p.before-link Chemical and process engineering student office:
-      a(href="mailto: bde.gcgp.lyon1@gmail.com") bde.gcgp.lyon1@gmail.com
-    p.before-link Management of companies and administrations student office:
-      a(href="mailto: ")
-    p.before-link IT student office:
-      a(href="mailto: contact@bde-info.org") contact@bde-info.org
-
   script(src="javascripts/index.js")
diff --git a/views/layout.pug b/views/layout.pug
index 1fe5414..14cabc7 100644
--- a/views/layout.pug
+++ b/views/layout.pug
@@ -5,3 +5,59 @@ html
     link(rel="stylesheet", href="/stylesheets/style.css")
   body
     block content
+
+    div#user
+      if user
+        p=user.username
+        a(href="/logout") Logout
+      else
+        a(href="/login") Login
+        a(href="/register") Register
+
+    div#more
+      a About
+      a Contact
+
+    div#dark.hide
+    div#about.popup.card.hide
+      h1 About
+      p This software respond to the COVID-19 health crisis for the following students' offices food supply
+      div.images
+        div
+          img(src="images/logoBio.png")
+          p Bio student office
+        div
+          img(src="images/logoChimie.png")
+          p Chemical student office
+        div
+          img(src="images/logoGC.png")
+          p Civil engineering student office
+        div
+          img(src="images/logoGCGP.png")
+          p Chemical and process engineering student office
+        div
+          img(src="images/logoGEA.png")
+          p Management of companies and administrations student office
+        div
+          img(src="images/logoInfo.png")
+          p IT student office
+      p.before-link Made with ❤️ by
+        a(href="https://www.linkedin.com/in/florian-charlaix" target="_blank") Florian Charlaix
+    div#contact.popup.card.hide
+      h1 Contact
+      p.before-link Order issue:
+        a(href="mailto: ") test@test.fr
+      p.before-link Bio student office:
+        a(href="mailto: ")
+      p.before-link Chemical student office:
+        a(href="mailto: ")
+      p.before-link Civil engineering student office:
+        a(href="mailto: ")
+      p.before-link Chemical and process engineering student office:
+        a(href="mailto: bde.gcgp.lyon1@gmail.com") bde.gcgp.lyon1@gmail.com
+      p.before-link Management of companies and administrations student office:
+        a(href="mailto: ")
+      p.before-link IT student office:
+        a(href="mailto: contact@bde-info.org") contact@bde-info.org
+
+    script(src="javascripts/layout.js")
diff --git a/views/login.pug b/views/login.pug
index 412b511..a29ed31 100644
--- a/views/login.pug
+++ b/views/login.pug
@@ -6,8 +6,8 @@ block content
         div.field
             label(for="username") Username:
             input#username(type="text" name="username" required)
-        dov.field
-            label(for="password") Username:
+        div.field
+            label(for="password") Password:
             input#password(type="password" name="password" required)
         div.field
             input(type="submit" value="Login")
diff --git a/views/register.pug b/views/register.pug
new file mode 100644
index 0000000..d7e1cba
--- /dev/null
+++ b/views/register.pug
@@ -0,0 +1,29 @@
+extends layout
+
+block content
+    form.card(action="/register" method="POST")
+        h1 Register
+        div.field
+            label(for="username") Username:
+            input#username(type="text" name="username" required)
+        div.field
+            label(for="email") Email:
+            input#email(type="email" name="email" required)
+        div.field
+            label(for="firstName") First name:
+            input#firstName(type="text" name="firstName" required)
+        div.field
+            label(for="lastName") Last name:
+            input#lastName(type="text" name="lastName" required)
+        div.field
+            label(for="department") Department:
+            input#department(type="list" list="department-list" name="department" required=)
+        div.field
+            label(for="password") Password:
+            input#password(type="password" name="password" required)
+        div.field
+            input(type="submit" value="Register")
+
+    datalist#department-list
+        each department in departments
+            option(value=department.name)