Xcode on Mac App Store can't install , show disk space not enough

Question

I\'m using the Mac OS to install the XCode10.1.

I have 18.43GB free disk space in the mac,

but when I click the install button on the Xcode from the app store,<

Answer 1

Trying to update to xcode 11.3.1 today, was in the problem like this. However, I can confirm that the download starts right after free space reaches 24GB as per some of the comments above.

I did the following:
- remove ~/Library/Caches/storedownloadd
- remove ~/Library/Developer/Xcode/iOS DeviceSupport/
- remove some files inside ~/Library/Developer/Xcode/DerivedData
- remove other unused files