Scan Your PCIf you surf a lot or exchange a lot of files with different people over the internet it's a good idea to scan your PC once in a while. Some of the files or websites you've been visiting may have installed viruses, adware or malware without you knowing it. Not only can these installs be dangerous to the security of your PC, it can also slow down your PC quite a bit.
There are various free virus scanners out there. One of the best scanners available right now is Avast Antivirus scanner. You can download it here. In the future we will add more information on how to scan your PC in the best possible way.