diff --git a/install_functions_ub1604.sh b/install_functions_ub1604.sh
index 728a4de..7c4c74d 100644
--- a/install_functions_ub1604.sh
+++ b/install_functions_ub1604.sh
@@ -228,6 +228,20 @@ function installNautilusAndPluginsMenu () {
   installAppsFromListMenu nautilus
 }
 
+#
+# install Thunar + Plugins (headless)
+#
+function installThunar () {
+  installAppsFromList thunar
+}
+
+#
+# install Thunar + Plugins (Menu)
+#
+function installThunarMenu () {
+  installAppsFromListMenu thunar
+}
+
 #
 # install Gimp plugins (headless)
 #
diff --git a/install_functions_ub1804.sh b/install_functions_ub1804.sh
index 642347c..51aa97a 100644
--- a/install_functions_ub1804.sh
+++ b/install_functions_ub1804.sh
@@ -252,6 +252,20 @@ function installNautilusAndPluginsMenu () {
   installAppsFromListMenu nautilus
 }
 
+#
+# install Thunar + Plugins (headless)
+#
+function installThunar () {
+  installAppsFromList thunar
+}
+
+#
+# install Thunar + Plugins (Menu)
+#
+function installThunarMenu () {
+  installAppsFromListMenu thunar
+}
+
 #
 # install Gimp plugins (headless)
 #
diff --git a/menus_functions_ub1604.sh b/menus_functions_ub1604.sh
index 08d2bc0..1c5146f 100644
--- a/menus_functions_ub1604.sh
+++ b/menus_functions_ub1604.sh
@@ -316,6 +316,7 @@ function showAppInstallMenu () {
     "nettools" "Network tools" \
     "cajaplugins" "Caja Plugins" \
     "nautilus" "Nautilus and plugins" \
+    "thunar" "Thunar file manager" \
     "gimp" "Gimp plugins" \
     "rhythmbox" "RhythmBox plugins" \
     "pidgin" "Pidgin plugins" \
@@ -355,6 +356,9 @@ function showAppInstallMenu () {
       "nautilus")
         installNautilusAndPluginsMenu
         ;;
+      "thunar")
+        installThunarMenu
+        ;;
       "gimp")
         installGimpPluginsMenu
         ;;
diff --git a/menus_functions_ub1804.sh b/menus_functions_ub1804.sh
index 3a774aa..f0d3ee2 100644
--- a/menus_functions_ub1804.sh
+++ b/menus_functions_ub1804.sh
@@ -316,6 +316,7 @@ function showAppInstallMenu () {
     "nettools" "Network tools" \
     "cajaplugins" "Caja Plugins" \
     "nautilus" "Nautilus and plugins" \
+    "thunar" "Thunar file manager" \
     "gimp" "Gimp plugins" \
     "rhythmbox" "RhythmBox plugins" \
     "pidgin" "Pidgin plugins" \
@@ -355,6 +356,9 @@ function showAppInstallMenu () {
       "nautilus")
         installNautilusAndPluginsMenu
         ;;
+      "thunar")
+        installThunarMenu
+        ;;
       "gimp")
         installGimpPluginsMenu
         ;;
diff --git a/repo_functions_ub1604.sh b/repo_functions_ub1604.sh
index 6f2495e..3fcd1c7 100644
--- a/repo_functions_ub1604.sh
+++ b/repo_functions_ub1604.sh
@@ -245,6 +245,10 @@ nautilus-dropbox;apt;nautilus;nautilus-dropbox
 nautilus-script-manager;apt;nautilus;nautilus-script-manager
 nautilus-columns;apt;nautilus;nautilus-columns
 insync-nautilus;apt;nautilus;insync-nautilus
+thunar;apt;thunar;thunar
+thunar-archive-plugin;apt;thunar;thunar-archive-plugin
+thunar-gtkhash;apt;thunar;thunar-gtkhash
+thunar-volman;apt;thunar;thunar-volman
 gtkam-gimp;apt;gimp;gtkam-gimp
 gimp-gluas;apt;gimp;gimp-gluas
 pandora;apt;gimp;pandora
diff --git a/repo_functions_ub1804.sh b/repo_functions_ub1804.sh
index c42dbd6..e4d9776 100644
--- a/repo_functions_ub1804.sh
+++ b/repo_functions_ub1804.sh
@@ -223,6 +223,10 @@ ooo-thumbnailer;apt;nautilus;ooo-thumbnailer
 nautilus-dropbox;apt;nautilus;nautilus-dropbox
 nautilus-script-manager;apt;nautilus;nautilus-script-manager
 insync-nautilus;apt;nautilus;insync-nautilus
+thunar;apt;thunar;thunar
+thunar-archive-plugin;apt;thunar;thunar-archive-plugin
+thunar-gtkhash;apt;thunar;thunar-gtkhash
+thunar-volman;apt;thunar;thunar-volman
 gtkam-gimp;apt;gimp;gtkam-gimp
 gimp-gluas;apt;gimp;gimp-gluas
 pandora;apt;gimp;pandora
diff --git a/yggdrasil.sh b/yggdrasil.sh
index 3814a2e..26ac271 100755
--- a/yggdrasil.sh
+++ b/yggdrasil.sh
@@ -85,6 +85,7 @@ while getopts ":h,v,f,c,u,a,d,q,s,t,n,g,w,p,k,T" option; do
       installWine
       installCajaPlugins
       installNautilusAndPlugins
+      installThunar
       installGimpPlugins
       installPidginPlugins
       installRhythmBoxPlugins
@@ -126,6 +127,7 @@ while getopts ":h,v,f,c,u,a,d,q,s,t,n,g,w,p,k,T" option; do
       installWine
       installCajaPlugins
       installNautilusAndPlugins
+      installThunar
       installGimpPlugins
       installPidginPlugins
       installRhythmBoxPlugins