just installed free version on 2nd computer, licence exp. on Oct 28, 2012

[Severina]

General Information
Owner:    Severina 
Operating system:    Windows Vista 64-bit (desktop)
Product:    avast! Free Antivirus
Device Communication
Last Update:    Aug 21, 2012
 Real-Time shields:    ON
Virus Definitions Updates:    ON
Program Version:    7.0.1466
Definitions Version:    120821-0 (available 120928-0)
Last Communication:    less than 5 minutes ago
License Information
License Type:    Valid
Expiration Date:    Oct 28, 2012 what??? why, why not one year, my lap top expires in september 21, 2013 so why october for the desktop

[Severina]

i figured it out....

[DavidR]

I take it that this is what you figured out:
You have to register it as you have 30 days trial before you need to register it, once registered you have 1 year.