iCloud "Desktop and Documents Folders" Syncing with old computer
How do I get my iCloud on a new MacBook to sync with my current computers and not my old one?
Question marked as
Sign out old computer Apple ID Sign out of iCloud on your iPhone, iPad, iPod touch, Apple TV, or Mac - Apple Support
And set up iCloud in new macbook Set up iCloud on your Mac - Apple Support
And turn on iCloud features Set up iCloud features on Mac - Apple Support (IN)
The new Mac will sync all iCloud data from current computers ( use the same Apple ID and password on the same network .