diff --git a/README.md b/README.md
index 81ccd9b..12aecbf 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,10 @@ Installing Sakamoto Nix configuration may vary on your current operating system.
     ```sh
     $ nix-channel --add https://nixos.org/channels/nixos-unstable nixos nix-channel --update 
     ```
+7. (Optional) You can install `proton-ge` by running the following command:
+    ```sh
+    protonup
+    ```
 ### MacOS (Darwin) Installation
 1.  Install [Nix](https://nixos.org).
 2.  Clone this directory.