Anti Spyware and Anti Virus

Avast Free Antivirus

https://www.avast.com/
Avast One - free anti virus and firewall for windows.
https://www.avast.com/en-au/avast-one

AVG Anti Virus Free Edition

Anti virus software is a must have for all Internet connected computers.
NOTE: Links will open in a new window or tab.
https://www.avg.com/en-us/homepage
Download:
https://www.avg.com/en-us/free-antivirus-download

Avira AntiVir Personal Edition

Main Website:
https://www.avira.com/
Free virus protection for Windows
Download:
https://www.avira.com/en/avira-free-antivirus

clamAV

Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, Mac, Linux and Windows.
Information and program downloads for ClamAV
http://www.clamav.net
http://www.clamav.net/downloads

Clamwin Antivirus

ClamWin is free Open Source Antivirus Software based on clamAV for Microsoft Windows.
https://clamwin.com/
Download Page:
https://clamwin.com/content/view/18/46/
Portable ClamWin on a USB or Removable Drive
https://clamwin.com/content/view/118/89/

Comodo Antivirus

Free Antivirus that detects and destroys existing and unwanted PC invaders.
Main Website:
https://www.comodo.com/
Download:
https://antivirus.comodo.com/free-antivirus.php

Spybot - Search & Destroy

Spybot - Search & Destroy detects and removes spyware.
https://www.safer-networking.org/
https://www.safer-networking.org/products/spybot-free-edition/

Adaware AdBlock

Adaware AdBlock blocks ads and trackers while you are online. Versions available for Firefox and Chrome
https://www.adaware.com/
https://www.adaware.com/ad-blocker/