norton, kaspersky
Free Anti Virus
1. AVG Free Edition
2. Avast! Home Edition
3. AntiVir Personal
Commerical Anti virus software
1. Kaspersky Anti-Virus
2. NOD32 AntiVirus
They are antivirus software
There are free antivirus software you can download online. Some of them have trial dates, so better research first before using the software..
a perfect antivirus program is XoftspySE it work with all anti viruses and is an easy to use product with a great user interface. i recommend it for everyone. you can find it at Antispywaremechanic.com
Actually there are several different options in order to secure the own privacy when connected to the internet. Some examples for software include "Ad-Aware" and "ESET NOD32 Antivirus" (including Anti-Malware and Anti-Phishing).
I do not think this will be of use in the long run. Antivirus software is commonly updated via webupdates, which can be tens of megabytes. If you prefer not to download the software, then how will you be updating the antivirus software.
Mirror is nothing utility in antivirus software
There are free antivirus software you can download online. Some of them have trial dates, so better research first before using the software..
Some examples of cloud anti-virus products are Panda Cloud Antivirus.
Simply download the installer for the antivirus, then run it. With some antivirus software you don't even need to install it!
Some programs aimed to increase perfomance of computers are not compatible with antivirus software.
There are many companies that provide free antivirus software downloads. Avast, AVG, Avira, and McAfee are a few examples of who provide the free software.
Application software