Install macOS Catalina 10.15.4 on your iMac, MacBook, Mac mini... whatever you have. iCloud file sharing was already part of macOS, allowing multiple people to work with a single document stored on ...

PSA: for MOST use cases there is now a much easier solution. If your primary goal is just to download updates faster/not use up your limited data budget, and you have multiple Macs (otherwise why do ...