aviraAvira AntiVir Personal is a solid, reliable and free antivirus solution that according to Avira constantly and rapidly scans your computer for malicious programs such as viruses, Trojans, backdoor programs, hoaxes, worms, dialers etc. Monitors every action executed by the user or the operating system and reacts promptly when a malicious program is detected. This is a free software for personal use only with other paid versions available for more advanced and business/commercial use. As just the free version, the software has been highly reviewed by CNET and Softpedia and has received many positive user reviews.

Avira AntiVir Personal installs as every other application and is quite easy to use – see the demo below.

Here is a list of more specific features the Free Avira software includes:
– AntiVir protection against viruses, worms and Trojans
– AntiDialer protection against expensive dialers
– AntiRootkit protection against hidden rootkits
– Faster Scanning up to 20% faster
– New User Interface
– AntiPhishing protection against phishing
– AntiSpyware protection against spyware and adware
– NetbookSupport for laptops with low resolution
– QuickRemoval eliminates viruses at the push of a button

Related Links:
Avira’s Website
Avira on CNET
Avira on Softpedia