
Plus, it’ll take you less time to back up. The more free space you have, the better. Clean up your Mac – Per Apple, High Sierra requires at least 14.3GB of storage space to perform the upgrade. Apple has a clear list of which Mac models are supported.

Check your Mac model – Not all Macs, especially old ones, are able to upgrade. If you have decided to update to High Sierra but have yet to do so, here are a few things (based on the order of priority) I highly recommend you check out in advance so you can avoid potential problems.ġ.

Issue 7: App Crashes or Can’t Be Opened upon Start.

