PC Mechanic 

The more you use your computer, the slower it gets due to different factors such as registry errors, installed, and deleted programs, and so on. This program scans your Windows system to detect those elements that can be fixed to enhance your computer's speed and performance. The scan is divided into four parts: Windows registry, Performance and speed, PS Startup, and Junk files. Once the scan is finished, you can get a detailed report on each of these elements so you can see the precise elements that are detrimental to your system's performance.

The program has a nice and intuitive interface that everybody can use. Also, if you are a non-English speaker, you can set the program's language to match your mother tongue. A nice feature is the Scheduler, that allows you to set the program to run periodic scans every week, every two weeks, monthly, or only when you run the program manually.

A disadvantage of the shareware version of the program is that it only allows you to analyze your system, but does not perform any repair, which prevents you to fully test the program's capabilities. To get rid of this limitation, you will need to purchase a license.