Disk cleanup: There’s hardly any fun in going through all your folders and looking for files you don’t need.That’s why you need all the scripts and tweaks to get back the speed your Mac used to have. Both systems and hard drives get cluttered with all kinds of trash, it’s natural for Macs. Speed up Mac: In case your Mac has been slowing down recently, you can revive the speed with optimization and maintenance tools in CleanMyMac X.