Reply to "Not enough free space" when trying to install XCode even though there's ~7x more free space than required hii had the same issue. But i did install xcode 11.3 successfully by following thisStep 1 - Logout from your App store accoundStep 2 - Restart your MACStep 3 - Sign in back to your App store and then download xcode.Thanks Developer Tools & Services Xcode Jan ’20