diff --git a/README.md b/README.md
index 82c1830..02bea74 100644
--- a/README.md
+++ b/README.md
@@ -8,18 +8,15 @@ Project inspired on [GitHub's VS Code theme](https://github.com/primer/github-vs
 
 ## Installation
 
-Download [github-theme.json](https://raw.githubusercontent.com/PyaeSoneAungRgn/github-zed-theme/main/github-theme.json)
-
-Copy `github-theme.json` file to `~/.config/zed/themes` folder
-```bash
-cp github-theme.json ~/.config/zed/themes/github-theme.json
-```
+1. Open `Command Palette`
+2. Select `zed: extensions`
+3. Search `GitHub Theme`
 
 ## Activate Theme
 
 1. Open `Command Palette`
 2. Select `theme selector: toggle`
-3. Search `Github Light` or `Github Dark`
+3. Search `GitHub Light` or `GitHub Dark`
 
 ## Contributing
 
diff --git a/extension.json b/extension.json
new file mode 100644
index 0000000..5ff756c
--- /dev/null
+++ b/extension.json
@@ -0,0 +1,9 @@
+{
+  "name": "GitHub Theme",
+  "version": "0.0.1",
+  "authors": [
+    "PyaeSoneAungRgn <pyaesoneaung.code@gmail.com>"
+  ],
+  "description": "GitHub theme for Zed",
+  "repository": "https://github.com/PyaeSoneAungRgn/github-zed-theme"
+}
diff --git a/github-theme.json b/themes/github_theme.json
similarity index 99%
rename from github-theme.json
rename to themes/github_theme.json
index ac305b1..753ff51 100644
--- a/github-theme.json
+++ b/themes/github_theme.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "https://zed.dev/schema/themes/v0.1.0.json",
   "name": "Github Theme",
   "author": "Pyae Sone Aung",
   "themes": [