diff --git a/README.md b/README.md
index c41278a..9e503de 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,36 @@ to run:
 ```
 
 # NixOS
-yeah melvi add flake for this lol, I'm not doing ts
+credits to melvi for this
+
+to build with nix:
+```bash
+nix build
+```
+to run with nix:
+```
+nix run
+```
+
+to install with nixos:
+
+1. Add to inputs:
+```
+goGoFetch.url = "git+https://codeberg.org/nekohepott/goGoFetch";
+```
+2. Add to packages (system-wide or home-manager):
+```
+environment.systemPackages = [
+  inputs.goGoFetch.packages.${pkgs.system}.default
+];
+```
+or
+```
+home.packages = [
+  inputs.goGoFetch.packages.${pkgs.system}.default
+];
+```
+3. Run rebuild and then you can run fetch with *gogofetch* command
 
 # Screenshots
 ![Fetch image](assets/screenshot.png "fetch")