diff --git a/readme.md b/readme.md
index 48e5bbc..cbf50d0 100644
--- a/readme.md
+++ b/readme.md
@@ -1,8 +1,20 @@
 # Speedometer
 This is a simple mod for forge and fabric that displays your current speed
 
-This mod is a newer version of [speedometer-forge](https://github.com/zaze06/speedometer-forge)
+## Compile your own version?
+1. Download source code
+   * Run `git clone https://github.com/zaze06/Speedometer`
+   * Download the source code from github page [master.zip](https://github.com/zaze06/Speedometer/archive/refs/heads/master.zip)
+     * unzip the folder
+2. Open the folder
+3. Run `gradlew build`(Windows cmd) or `./gradlew build`(Linux, MacOS, Windows powershell)
+4. the compiled version will be in
+   * Fabic: `fabric/build/libs`
+   * Forge: `forge/build/libs`
+
+
+# This mod is a newer version of [speedometer-forge](https://github.com/zaze06/speedometer-forge)
 
 ## Changes from old forge version?
 This was just a project I choose for trying the Architectury API for abstraction.
-So changes are that now Architectury APi is required for this mod to work
\ No newline at end of file
+So changes are that now Architectury APi is required for this mod to work