# Upgrade M5Stack Lib
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### 1. Start up Arduino IDE, then Select `Sketch`->`Include Library`->`Manage Libraries...`
### 2. Type `M5Stack` into the search box, search it.
### 3. If it shows as below figure, click `Update`.
**But if it shows `Install`, it means you has not installed M5Stack Lib. So, you need click `Install` for installing lib.**