Registry

After some time your computer have many program installed and some of them you uninstall it. All of this can make your computer more and more slow... this is because of many junks of registry error on your system... If you have an experienced in registry you can find the junk with tool from Microsoft Windows (regedit.exe).


But even for experienced user they use a software to clean their registry... there a lot of free software, you can find with your search engine. I can show you two registry and cleaner that have good reputation for it.

1. CCleaner v2.25.1025
This software have a good reputation and easy to use, you can clean cookies from any browser like IE, Mozilla, Chrome, Opera, Safari also can clean your Windows temporary files and your recycled bin and surely can clean your registry.
2. Advanced System Cleaner 
This software free software offers many help for your computer such as Spyware Removal, Registry Fix, Privacy Sweep and Junk Files Clean

This the download link for : CCleaner v2.25.1025, Advanced System Cleaner