avast! 4.x Professional Edition

Related links

  • What's new in v4.6
  • What's new in v4.5
  • What's new in v4.1

    This page will show you the most important of these changes. More complete (even though less detailed) list of new features can be also found on the avast! Revision History page.

  • What's new in v4
  • Revision History
  • Compare with Home Edition

    The following table is a summary and comparison of two avast! versions: Home Edition and Professional Edition. It is not a complete list of all program features.

  • System Requirements
  • Data sheet
  • Download

    You can download the latest version of avast! Professional Edition from this page. Please choose the right version and click the location to start the download.

  • Pricelist

    The pricelist is valid for up to 200 licenses. The price for higher amount of units, upgrade prices and cross upgrades to higher versions are available by phone or email.

  • Purchase

    buy avast! 4 Professional on our online shop element 5!

  • Support

    If you have any technical problem with our products, you can either contact our technical support. Our avast! support team is here to assist you resolve any problem with our products.

  • Translations

    A big thanks goes to the translators! They helped us to create a number of language modules for avast!, making it possible for many users to enjoy avast! in their native language.

  • Awards

    Awards received by avast! antivirus software - Virus Bulletin VB 100% etc.

Logos etc. - avast! 4 Professional

Put avast! logo on your website!

avast! 4 Professional logo
avast!家用版註冊
avast! 4 Home for free non-commercial use free - link to registration page
Awards - Professional Edition
Gold Malware Treatment Award for avast! Professional Editionavast award

avast! antivirus Professional Edition has received the Gold Malware Treatment Award from the Russian portal Anti-Malware.ru for its ability to detect and remove virus and other malware infections, without causing any damage to the host computer's operating system. In an October 2008 survey of 15 leading antivirus providers, avast! ranked 2nd and was one of only two providers able to remove both of the tested rootkit infections.


Virus Bulletin 100 award - August 2008August, 2008 - this month's Virus Bulletin tests focused on Windows XP Service Pack 3. Once again, avast! 4 Professional Edition detected all In-The-Wild viruses (i.e. viruses known to be spreading between users), as well as over 97% of Trojans with no false positives as a result of which we have added yet another VB100 award to our tally!

100% Virus Bulletin award: Windows Vista X64 Business Edition platformavast! 4 Professional Edition 4.7.1015 has achieved a VB100 award in the latest Virus Bulletin comparative review on Windows Vista X64 Business Edition platform.

100% Virus Bulletin award: Windows VistaFebruary, 2007 - In the latest Virus Bulletin tests (February 2007, Windows Vista) avast! 4 Professional Edition again detected all ItW viruses (i.e. viruses known to be 'in the wild') and was given another VB100% award!

avast! Professional Edition 4.7.869 - Softpedia 100% CLEAN Award

product "Avast! Professional Edition 4.7.869" has been tested by the Softpedia labs and found to be completely clean of adware/spyware components. More information about your product's certification and the award is available on this page.


100% Virus Bulletin awardJuly, 2006 - In the latest Virus Bulletin tests (June 2006, Windows XP) avast! 4 Pro again detected all ItW viruses (i.e. viruses known to be 'in the wild') and was given another VB100% award!

產品  單機防護  Professional Edition