CleanMyMac 3 Knowledge Base
Welcome to the CleanMyMac 3 Knowledge Base! Here you can find answers to your questions and everything else you need to know about CleanMyMac 3.
General
What’s new in CleanMyMac 3
CleanMyMac 3 overview
Getting started with CleanMyMac 3
Resetting a CleanMyMac license
Is CleanMyMac 3 safe?
CleanMyMac 3 activation number: Get your serial code
Using CleanMyMac 3 license on another Mac
CleanMyMac reminders and notifications
Upgrading to CleanMyMac 3
Using CleanMyMac 3 on multiple Macs
Getting another copy of CleanMyMac at a discount
CleanMyMac 3 Preferences
CleanMyMac 3 coupon codes and discounts
How to update macOS for CleanMyMac 3
CleanMyMac's Helper Tool
CleanMyMac's size mismatches with Finder
Why am I getting “License Deactivated” error message?
How to download CleanMyMac 2
Why is uninstalling apps better than trashing them?
How to uninstall CleanMyMac 3
How to disable OS X Firewall for CleanMyMac 3 activation?
Can’t find the answer to your question?
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Contact Us
Make your Mac as good as new
CleanMyMac 3 has got all the tools you need to take care of your Mac. Remove months-old junk, uninstall apps and unwanted extensions, fix system errors to help your Mac run at full throttle again.
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CleanMyMac 3
