There’s no simple answer to why Macs slow down over time. The simplest thing you can do is try to clean out the junk files. Your Mac stores thousands of these, though removing them manually can be a tedious journey through many system folders. For a full cleanup, it’s best to clear RAM memory and remove unused login items too.
It’s easy and simple, as anything Mac should be. Download MacKeeper to clean junk files, malware, and speed hoggers from your Mac.
Download MacKeeper
Your macOS version is lower than OS 10.11. We’d like to offer you MacKeeper 4 to solve the cleaning, privacy, and security issues of your macOS.