diff --git a/README.md b/README.md
index 9a60bfef..bea84a05 100644
--- a/README.md
+++ b/README.md
@@ -40,12 +40,18 @@ xray panel supporting multi-protocol, **Multi-lang (English,Farsi,Chinese)**
 ![inbounds](./media/inbounds.png)
 ![Dark inbounds](./media/inbounds-dark.png)
 
-# Install & Upgrade
+# Install & Upgrade to latest version
 
 ```
 bash <(curl -Ls https://raw.githubusercontent.com/alireza0/x-ui/master/install.sh)
 ```
 
+## Install custom version
+To install your desired version you can add the version to the end of install command. Example for ver `0.4.0`:
+```
+bash <(curl -Ls https://raw.githubusercontent.com/alireza0/x-ui/master/install.sh) 0.4.0
+```
+
 ## Manual install & upgrade
 
 1. First download the latest compressed package from https://github.com/alireza0/x-ui/releases , generally choose Architecture `amd64`