

In fact, some recommendations go so far as to say you should keep at least 15% of your Mac’s storage free at all times. This is because macOS needs swap space and temporary storage to run as intended. If your Mac has less than 5GB of free storage, it’s likely to be a lot slower.


Does your Mac take longer to boot than it used to? Does it crash when you open multiple apps at once? Do you frequently run out of storage? With a good maintenance routine, your old Mac can run just as well as when it was new.
