update README

README.md

@@ -4,6 +4,8 @@
 
 Cast your PC screens to Leiniao AR glasses.
 
+## [Download](https://github.com/DiscreteTom/HyperStudio/releases)
+
 ## Features
 
 - Auto apply your monitor layout from your system settings.
@@ -12,6 +14,10 @@ Cast your PC screens to Leiniao AR glasses.
 
 ## Run
 
+Just double click `HyperStudio.exe` to run this app. You can press `Enter` to toggle full screen mode.
+
+> **Note**: Make sure you have `config.json` in the exe folder.
+
 To run this app in a specific monitor:
 
 ```bash
@@ -21,8 +27,6 @@ HyperStudio.exe -monitor N
 
 > **Note**: N starts from 1 instead of 0.
 
-> **Note**: Make sure you have `config.json` in the exe folder.
-
 ## How to Use
 
 - Hold `Tab` to show this help.