How to solve the problem Your Android SDK is missing, out of date or corrupted?

Problem: You have just installed Android Studio. When you open it for the first time , Your Android SDK is missing, out of date or corrupted will appear.
Solution:
1. Select Android SDK, then click Edit, and finally click OK;

2. Automatically jump to this page. page;

3. Keep clicking next to the next step;
4. Wait for the download to complete.