diff --git a/ALL_README.md b/ALL_README.md
index 8938aae..152f2e7 100644
--- a/ALL_README.md
+++ b/ALL_README.md
@@ -1,7 +1,7 @@
 # All available README files by language
 
 - [Read the README in English](README.md)
-- [Lee el README en español](README_es.md)
+- [Lea el README en español](README_es.md)
 - [Irakurri README euskaraz](README_eu.md)
 - [Lire le README en français](README_fr.md)
 - [Le o README en galego](README_gl.md)
diff --git a/README.md b/README.md
index 0931cb0..8b34715 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ FitTrackee allows you to track your outdoor activities (workouts) from gpx files
 No mobile app has been developed yet, but several existing mobile apps can store workouts data locally and export them into a gpx file.
 
 
-**Shipped version:** 0.8.3~ynh1
+**Shipped version:** 0.8.4~ynh1
 
 ## Screenshots
 
diff --git a/README_es.md b/README_es.md
index 57cb143..9a3f638 100644
--- a/README_es.md
+++ b/README_es.md
@@ -20,7 +20,7 @@ FitTrackee allows you to track your outdoor activities (workouts) from gpx files
 No mobile app has been developed yet, but several existing mobile apps can store workouts data locally and export them into a gpx file.
 
 
-**Versión actual:** 0.8.3~ynh1
+**Versión actual:** 0.8.4~ynh1
 
 ## Capturas
 
diff --git a/README_eu.md b/README_eu.md
index 4d7c357..b4aada9 100644
--- a/README_eu.md
+++ b/README_eu.md
@@ -20,7 +20,7 @@ FitTrackee allows you to track your outdoor activities (workouts) from gpx files
 No mobile app has been developed yet, but several existing mobile apps can store workouts data locally and export them into a gpx file.
 
 
-**Paketatutako bertsioa:** 0.8.3~ynh1
+**Paketatutako bertsioa:** 0.8.4~ynh1
 
 ## Pantaila-argazkiak
 
diff --git a/README_fr.md b/README_fr.md
index 9df3431..c2492b4 100644
--- a/README_fr.md
+++ b/README_fr.md
@@ -19,7 +19,7 @@ Il NE doit PAS être modifié à la main.
 FitTrackee vous permet de suivre vos activités de plein air (séances d'entraînement) à partir de fichiers gpx et de conserver vos données sur votre propre serveur.
 Aucune application mobile n'a encore été développée, mais plusieurs applications mobiles existantes peuvent stocker localement les données des séances d'entraînement et les exporter dans un fichier gpx.
 
-**Version incluse :** 0.8.3~ynh1
+**Version incluse :** 0.8.4~ynh1
 
 ## Captures d’écran
 
diff --git a/README_gl.md b/README_gl.md
index 483b4b4..177d079 100644
--- a/README_gl.md
+++ b/README_gl.md
@@ -20,7 +20,7 @@ FitTrackee allows you to track your outdoor activities (workouts) from gpx files
 No mobile app has been developed yet, but several existing mobile apps can store workouts data locally and export them into a gpx file.
 
 
-**Versión proporcionada:** 0.8.3~ynh1
+**Versión proporcionada:** 0.8.4~ynh1
 
 ## Capturas de pantalla
 
diff --git a/README_zh_Hans.md b/README_zh_Hans.md
index 18ae51f..6af2c4c 100644
--- a/README_zh_Hans.md
+++ b/README_zh_Hans.md
@@ -20,7 +20,7 @@ FitTrackee allows you to track your outdoor activities (workouts) from gpx files
 No mobile app has been developed yet, but several existing mobile apps can store workouts data locally and export them into a gpx file.
 
 
-**分发版本：** 0.8.3~ynh1
+**分发版本：** 0.8.4~ynh1
 
 ## 截图
 
diff --git a/manifest.toml b/manifest.toml
index c0ac553..1ea9eb4 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -7,7 +7,7 @@ description.gl = "Rexistra as túas actividades ao aire libre 🚴"
 description.ca = "Seguiment d'activitats a l'aire lliure autoallotjat 🚴"
 description.fr = "Traqueur d’activités extérieures auto-hébergé 🚴"
 
-version = "0.8.3~ynh1"
+version = "0.8.4~ynh1"
 
 maintainers = ["Thovi98"]
 
@@ -51,6 +51,13 @@ ram.runtime = "50M"
     help.fr = "Choisissez un mot de passe pour l’utilisateur admin ici."
     type = "password"
 
+    [install.language]
+    ask.en = "Choose the application language"
+    ask.fr = "Choisissez la langue de l'application"
+    type = "select"
+    choices = ["cs", "de", "en", "es", "eu", "fr", "gl", "it", "nb", "nl", "pl", "pt"]
+    default = "en"
+
     [install.weather_api_provider]
     ask.en = "(Optional) Choose your weather provider between Darksky and Visual Crossing"
     ask.gl = "(Optativo) Elixe o provedor de meteoroloxía, entre Darksky e Visual Crossing"
diff --git a/scripts/install b/scripts/install
index 97bdcc9..4305637 100755
--- a/scripts/install
+++ b/scripts/install
@@ -80,7 +80,7 @@ source $install_dir/.env
 
 ynh_exec_warn_less $install_dir/venv/bin/ftcli db upgrade
 
-ynh_exec_warn_less $install_dir/venv/bin/ftcli users create $admin --email $admin_mail --password $password
+ynh_exec_warn_less $install_dir/venv/bin/ftcli users create $admin --email $admin_mail --password $password --lang $language
 
 ynh_exec_warn_less $install_dir/venv/bin/ftcli users update $admin --set-admin true
 
diff --git a/tests.toml b/tests.toml
index 9b350f6..873d412 100644
--- a/tests.toml
+++ b/tests.toml
@@ -18,4 +18,5 @@ test_format = 1.0
     test_upgrade_from.499f21b.name = "0.7.32"
     test_upgrade_from.5b6ccd1.name = "0.8.0"
     test_upgrade_from.6c23ccf.name = "0.8.1"
+    test_upgrade_from.2c6b69d.name = "0.8.3"