What does this mean?

avast! antivirus 7.0
avast! antivirus 7.0 comprises three new products - avast! Free antivirus 7.0, avast! Pro antivirus 7.0 and avast! Internet Security 7.0. The key features of these three products are compared in the table below.

avast! Free antivirus 7.0
avast! Pro antivirus 7.0
avast! Internet Security 7.0

High performance antivirus engine YES YES YES
Anti-rootkit protection YES YES YES
Anti-spyware protection YES YES YES
avast! WebRep YES YES YES
avast! AutoSandbox YES YES YES
avast! Sandbox NO YES YES
avast! SafeZone NO YES YES
Command line scanner NO YES YES
Anti-spam filter NO NO YES
Built-in firewall NO NO YES

avast! Free antivirus 7.0 can be downloaded and used completely free of charge. avast! Pro antivirus 7.0 and avast! Internet Security 7.0 can be downloaded and used free of charge for a 30-day trial period, but at the end of the trial period it is necessary to purchase a license key to insert into the program. Detailed information on prices can be found on our web pages.


Copyright © 1988-2012 AVAST Software.
All Rights Reserved.

What does what mean ???

All of the yes, no stuff.

if you look here you can see what program has what and not

click the link here. http://www.avast.com/free-antivirus-download