[header] How to keep your computer fast, clean, safe and good looking [title] Make sure that your computer hard drive is clean. [step] Download a software called cleaner or tuneup utilities. It will help keep your computer a lot cleaner. 
[title] Don't download software from just any website. [step] Make sure that the website is trusted, and even if you do download something--and find it useless--make sure you delete it from your computer.