chore: update docs

readme.md

@@ -21,7 +21,7 @@
     - `sudo apt install ffmpeg`
 - Windows (not recomended, prefer using [WSL](https://docs.microsoft.com/en-us/windows/wsl/install)):
     - install vips library, or you can check here https://www.libvips.org/install.html
-    - install ffmpeg, download [here](https://www.gyan.dev/ffmpeg/builds/ffmpeg-git-essentials.7z) 
+    - install ffmpeg, download [here](https://www.ffmpeg.org/download.html#build-windows) 
     - add to vips & ffmpg to [environment variable](https://www.google.com/search?q=windows+add+to+environment+path)
 
 ### How to use