How to fix Brew Install error. Xcode 8.3.3 outdated install Xcode 9.2 on High Sierra

Question

Error: Your Xcode (8.3.3) is too outdated.
Please update to Xcode 9.2 (or delete it).
Xcode can be updated from the App Store.

Answer 1

sudo xcode-select --switch /path/to/new/xcode