diff --git a/4-rice.sh b/4-rice.sh
index 4dd37bb..ab2cb11 100755
--- a/4-rice.sh
+++ b/4-rice.sh
@@ -81,5 +81,6 @@ cd
 cd debian-z/
 source optional/keyboard_layout.sh
 source optional/terminal_in_pcmanfm.sh
-source optional/nvim.sh
 #source optional/nvidia.sh
+source optional/nvim.sh
+source optional/default_apps.sh
diff --git a/optional/default_apps.sh b/optional/default_apps.sh
new file mode 100755
index 0000000..2694375
--- /dev/null
+++ b/optional/default_apps.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# Set default applications for file types
+xdg-mime default mupdf.desktop application/pdf
+xdg-mime default mousepad.desktop text/plain
+xdg-mime default codium.desktop text/html
+xdg-mime default codium.desktop text/css
+xdg-mime default nvim.desktop text/x-shellscript
+xdg-mime default nvim.desktop text/markdown
+xdg-mime default nvim.desktop text/x-csrc
+xdg-mime default viewnior.desktop image/png
+xdg-mime default viewnior.desktop image/jpg
+xdg-mime default viewnior.desktop image/svg+xml