diff --git a/README.md b/README.md
index 3aae8ac..758cd83 100644
--- a/README.md
+++ b/README.md
@@ -6,8 +6,20 @@ trzsz is a simple file transfer tools, similar to lrzsz ( rz / sz ), and compati
 
 ## Installation
 
+### Ubuntu
+*Not released yet, please download the latest [release](https://github.com/trzsz/trzsz-go/releases) from GitHub.*
+
 ```
 sudo add-apt-repository ppa:trzsz/ppa
 sudo apt update
 sudo apt install trzsz
 ```
+
+### Windows / macOS / Other
+
+Please download the latest [release](https://github.com/trzsz/trzsz-go/releases) from GitHub.
+
+
+## Contact
+
+Feel free to email me <lonnywong@qq.com>.