Macs can perform slowly, too. If your Mac seems to be running slower than it should, the variety of tips here should help you identify and fix the problem. As with a Windows PC, there are many reasons a Mac might be slow.
Stay away from programs that promise to “optimize” your Mac and make it run faster. Some “cleaning” programs — like the Mac version of C Cleaner — can remove temporary files and free up space, but they won’t make your Mac perform faster.