avast  Professional Edition is a complete ICSA certified antivirus package for small office home
office use - SOHO. 
Protect your system and valuable data against computer viruses with Avast  Professional Edition. 
avast  4 Professional Edition is a collection of award winning, high-end technologies that work in
perfect synergy, having one common goal: to protect your system and valuable data against computer
viruses. It represents a best-in-class solution for any Windows-based workstation. This page
demonstrates its most important features and provides links to further resources. 
NOTE: 
This product cannot be installed on a server operating system  Windows NT/2000/2003 Server families
. 
Here are some key features of  Avast  Professional Edition : 
     Antivirus kernel 
     Automatic updates 
     Simple User Interface 
     PUSH updates 
     Enhanced User Interface 
     Virus Chest 
     Resident protection 
     System integration 
     Script blocker 
     Command-line scanner 
     P2P and IM Shields 
     Integrated Virus Cleaner 
     Network Shield 
     Support for 64-bit Windows 
     Web Shield 
     Internationalization 
Requirements: 
     For a computer running Windows 95/98/Me: 486 Processor, 32MB RAM and 50MB of free hard disk
space. 
     For a computer running Windows NT 4.0: 486 Processor, 24MB RAM and 50MB of free hard disk
space and Service Pack 3  or higher  installed 
     For a computer running Windows 2000/XP Workstation  Not Server : Pentium class Processor, 64MB
RAM  128MB recommended  and 50 MB of free hard disk space 
     For a computer running Windows XP 64-bit Edition: An AMD Athlon64, Opteron or Intel
EM64T-enabled Pentium 4 / Xeon processor, 128MB RAM  256MB recommended  and 50 MB of free hard disk
space 
     For a computer running Windows Vista: Pentium 4 processor, 512MB RAM and 50 MB of free hard
disk space 
     The program itself requires about 20MB of hard disk space; the remainder of the recommended
space is reserved for the virus recovery database file and its index  VRDB, also known as the 
integrity database  from the previous version . 
     A functional MS Internet Explorer 4 or higher is required for the program to work.