This tutorial suggestions on how to keep your computer fast, safe and good looking--plus how to keep your hard drive clean.

1). Don't download software from just any website. 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.

2). Make sure that your computer hard drive is clean. Download a software called Cleaner or Tuneup Utilities. It will help keep your computer a lot cleaner.

3). Keep your computer safe from viruses by making sure that you use a safe web browser. After all, prevention is better than cure. Research shows that Internet explorer is more prone and vulnerable to attacks from hackers than any other web browser. Try using Firefox and adding McAfee Site Adviser to it if you wish.

4). Use a good anti-virus (and you might use internet virus security) and the Windows firewall. Try Kaspersky Internet Security as it seems safe. Do not download files from just any website as it can contain viruses, always scan your computer once a week and make sure your anti-virus is up to date.

5). Defragment before installing new programs: so they will not get fragmented in case there are gaps in the hard drive media when it would be installed.

6). Run Disk Cleanup. At least once a week to remove unnecessary (temporary files) files.

http://www.standontech.com/2016/01/6-simple-and-easy-ways-to-keep-your.html?m=1

on point...and remember to do backup.