Avast Antivirus
Old Version of Avast Antivirus
Latest Version
Avast Free Antivirus 2014 9.0.2021.515 and Avast Free Antivirus 2014 9.0.2019 (Beta)
Supported Systems
Legacy OS support
Windows 98 (Avast 4.8.1367), Me, NT, 2000, XP, Vista, 7, 8
License
Freeware
First Release
25 September, 2009 (5 years ago )
Latest Release
26 June, 2014 (3 months ago )

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Version Name
Released Date
Size
OS Supported
D/L
26 June, 2014
(3 months ago)
87.65 MB
Windows XP, XP x64, Vista
and 6 more
22 April, 2014
(5 months ago)
84.76 MB
Windows XP, XP x64, Vista
and 6 more
19 March, 2014
(6 months ago)
84.45 MB
Windows XP, XP x64, Vista
and 6 more
22 January, 2014
(8 months ago)
86.38 MB
Windows XP, XP x64, Vista
and 5 more
18 December, 2013
(9 months ago)
87.18 MB
Windows XP, XP x64, Vista
and 5 more
11 November, 2013
(11 months ago)
83.47 MB
Windows XP, XP x64, Vista
and 5 more
02 September, 2013
(1 year ago)
81.32 MB
Windows XP, XP x64, Vista
and 5 more
09 May, 2013
(1 year ago)
112.04 MB
Windows XP, XP x64, Vista
and 5 more
02 May, 2013
(1 year ago)
111.17 MB
Windows XP, XP x64, Vista
and 5 more
06 March, 2013
(2 years ago)
106.52 MB
Windows XP, XP x64, Vista
and 5 more
28 February, 2013
(2 years ago)
105.42 MB
Windows XP, XP x64, Vista
and 5 more
01 November, 2012
(2 years ago)
92.98 MB
Windows XP, XP x64, Vista
and 5 more
23 October, 2012
(2 years ago)
92.33 MB
Windows XP, XP x64, Vista
and 5 more
22 August, 2012
(2 years ago)
89.32 MB
Windows XP, XP x64, Vista
and 5 more
04 July, 2012
(2 years ago)
85.2 MB
Windows XP, XP x64, Vista
and 5 more
29 June, 2012
(2 years ago)
84.92 MB
Windows XP, XP x64, Vista
and 5 more
07 March, 2012
(3 years ago)
71.3 MB
Windows XP, XP x64, Vista
and 3 more
23 February, 2012
(3 years ago)
71.45 MB
Windows XP, XP x64, Vista
and 3 more
29 November, 2011
(3 years ago)
61.23 MB
Windows XP, XP x64, Vista
and 3 more
06 September, 2011
(3 years ago)
56.22 MB
Windows XP, XP x64, Vista
and 3 more
23 August, 2011
(3 years ago)
55.68 MB
Windows 2000, XP, XP x64
and 4 more
05 July, 2011
(3 years ago)
53.57 MB
Windows 2000, XP, Vista
and 1 more
11 May, 2011
(3 years ago)
54.29 MB
Windows 2000, XP, Vista
and 1 more
18 April, 2011
(3 years ago)
53.59 MB
Windows 2000, XP, Vista
and 1 more
19 February, 2011
(4 years ago)
59.65 MB
Windows 2000, XP, Vista
and 1 more
13 January, 2011
(4 years ago)
55.29 MB
Windows 2000, XP, Vista
and 1 more
31 December, 2010
(4 years ago)
55.29 MB
Windows 2000, XP, Vista
and 1 more
07 September, 2010
(4 years ago)
52.53 MB
Windows 2000, XP, Vista
and 1 more
28 June, 2010
(4 years ago)
51.29 MB
Windows 2000, XP, Vista
and 1 more
20 January, 2010
(5 years ago)
38.29 MB
Windows 2000, XP, Vista
and 1 more
26 November, 2009
(5 years ago)
39.29 MB
Windows 98, NT, ME
and 4 more
25 September, 2009
(5 years ago)
36.99 MB
Windows 98, NT, ME
and 4 more
30 March, 2008
(7 years ago)
20.78 MB
Windows 98, NT, ME
and 4 more
Avast Antivirus Screenshots
Avast! Antivirus software provides complete virus protection for your computer. The avast! Free Antivirus includes a spyware detection engine which pr.... More
You can run a pre-defined scan or to create a custom scan of your own. Multiple scans can be run at the same time. More
The File System Shield is the main component of the Avast! real-time scanner. It monitors all files and programs stored on your computer. More
About Avast Antivirus

Avast! Free Antivirus is the freeware version of Avast! antivirus software available to Microsoft Windows and Linux users, while Avast! Pro Antivirus is offered to businesses and users that want additional features. Priority updates are delivered automatically using PUSH update technology in Avast! Pro Antivirus. Avast! Pro Antivirus also has a command line scanner and a script blocker.

Avast is a multiple recipient of the Virus Bulletin VB100 Award, for detection of 100% of "in-the-wild" viruses, and is a past winner of the Secure Computing Readers' Trust Award. The name Avast comes from "Anti-Virus-Advanced-Set". Avast! Antivirus is a widely used antivirus program, with 100 million users worldwide as of December 2009.

Avast Free Antivirus Features

  • Avast! Antivirus is a widely used antivirus program, with 100 million users worldwide as of December 2009.
  • Resident protection comprising individual modules or "shields", each of which can be individually configured or disabled.
  • Anti-spyware capabilities
  • Anti-rootkit capabilities
  • Self-Protection - Prevents malware from terminating avast! processes and damaging avast! files.
  • Automatic incremental updates - Updates of both the program and the virus database which is used to identify potential threats - Avast! updates its virus definitions on a regular basis (sometimes multiple updates daily) and this process is automated by default.
  • Audible alarms - Vocal warnings and notices such as "Caution, a virus has been detected!" and "Virus database has been updated."
  • Boot-time scan (32 bit only) - Users can schedule a boot-time scan to remove infections that load during Windows startup.
  • Virus Chest - Quarantine; folder where infected files can be stored. The virus chest also stores vital system files to protect them from damage by malware. Users can also add their own files to the virus chest. Once in the chest, a file cannot be executed; double-clicking the file will instead display information about the file.

Updates : Avast Antivirus Updates

Did You Know?

Avast also scans your emails for possible viruses and spywares.