diff --git a/README.md b/README.md
index 111388fd..c5e856c8 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,14 @@ Click the **BUTTON** below to **download** the latest binary file
 - Otherwise please download v2rayN.zip (Also need to download v2ray core in the same folder)
 - Run v2rayN.exe
 
+### How to Install Updates (in this fork)
+- Unzip v2rayN.Portable-X.XX.X.zip
+- Replace all files to old version folders.(Ensure the program quit.)
+- Don't be worry, your setting still remain.
+- 解压 v2rayN.Portable-X.XX.X.zip
+- 将解压包内的所有内容替换到旧版软件的文件夹中(确定软件已经关闭)
+- 不要担心,你的配置会保存,比如订阅,选择,路由规则.
+
 ### Requirements  
 - Microsoft [.NET Framework 4.6](https://docs.microsoft.com/zh-cn/dotnet/framework/install/guide-for-developers) or higher
 - Project V core [https://github.com/v2fly/v2ray-core/releases](https://github.com/v2fly/v2ray-core/releases)