# Upgrade M5Stack Lib

####1. Start up Arduino IDE, then Select `Sketch`->`Include Library`->`Manage Libraries...`

####2. Type `M5Stack` into the search box, search it.

![image](../../_static/getting_started_pics/m5stack_core/macOS_install_m5stack_lib.png)

####3. If it shows as below figure, click `Update`.

But if it shows `Install`, it means you has not installed M5Stack Lib.

![image](../../_static/getting_started_pics/m5stack_core/macOS_search_m5stack.png)