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Download new avast! version 7

and get the world’s most popular antivirus(protecting 170,368,681 active devices)

Or, learn more about our most powerful security:
avast! Pro Antivirus & avast! Internet Security

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Free Antivirus

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Pro Antivirus

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Internet Security

Engine: Blocks viruses & spyware spacer spacer spacer
Remote: Allows assistance from a geek friend spacer spacer spacer
SafeZone: Secures shopping & banking spacer spacer
Sandbox: Lets you surf the web virtually spacer spacer
Sandbox: Runs risky programs virtually spacer spacer
Firewall: Blocks hacker attacks spacer
Firewall: Secures personal data spacer
Firewall: Secures your identity spacer
Anti-spam: Stops annoying SPAM spacer
Anti-spam: Blocks phishing scams spacer
Get our best protection for the price of Pro Antivirus spacer
*avast! Free Antivirus is only for personal and non-commercial use Download * from download.com Download Download
  • More Products & Services
  • What Experts Say
  • New Technologies in Version 7
  • System Requirements

avast! EasyPass

Managed Passwords = Managed Time

Download trial

Creates encrypted passwords and auto-fills forms, saving you time – takes just one click.

avast! SecureLine

Secure & Private Internet Connection with VPN Client

Learn more

Encrypt Unsecured Wi-Fi Communications and keep your location private.

avast! Free Antivirus for Mac

Your Safety Just Improved

Learn more

We’re changing the way you think about Mac security.

avast! BackUp

Relax, We’ve Got Your Back(up)

Learn more

Prevents accidental loss of your priceless data with fast automatic backup to secure cloud.

avast! Rescue Disc

In Case of Crash, Break Out ‘The Disc’

Add to cart

Helps you recover crashed PCs and provides back-up of your avast! files.

Google Chrome

Surf the Web Faster and Safer

Download

AVAST recommends using the Google Chrome™ browser, designed to keep you safer on the web.

Click here to see all products & special bundles

AV-Comparatives.org: Performance-Test (AV), October 2012

October, 2012

Independent testing firm AV-Comparatives awarded avast! Free Antivirus again with its highest Advanced+ rating for Performance (October 2012) – the only brand that, after receiving a highest ranking for Detection in the test before, now received it again for Performance.
AV-Comparatives.org: Corporate Review, October 2012

October, 2012

AV-Comparatives said many great things about our new premium-grade business security software, among them that "The exceptionally clear and simple design of avast! Endpiont Protection Suite Plus makes it extremely suitable for small businesses, especially where the IT is looked after by a non-expert administrator."
AV-Comparatives.org: Mac Security Review/Test, October 2012

October, 2012

AV-Comparatives reviews our avast! Free Antivirus for Mac, one of only three products to score 100% against 477 Mac malware samples, and says that it "offers a worry-free antivirus product which requires almost no configuration by the user and is available free of charge" with "clear, easy-to-use interfaces."
AV-Comparatives.org: Mobile Security Review, September 2012

September, 2012

In a review of avast! Free Mobile Security version 1.0 [Note that version 2.0 has been available since 20 August], AV-Comparatives concludes that "avast! Mobile Security has the most important functionalities available free of charge[...] which provide comprehensive remote control for the user."
SFGate.com: U.K. Aims to Ease IPO Regulations to Halt $15 Billion Drain

August 29, 2012

Britain intends changes that will attract more technology firms to the London Stock Exchange, and the San Francisco Chronicle names AVAST Software as an example of ‘one that got away’.
kirotv.com: Back-to-school software: The five best freebies

August 23, 2012

Seattle television station KIRO lists its top five picks for free back-to-school software, describing avast! Free Antivirus as “comprehensive protection from both viruses and spyware.”

Hybrid Cloud Technologies

spacer Streaming, real-time virus database updates

Now you get each virus signature sent to you in real-time via connection to the AVAST Virus Lab cloud, rather than needing to wait for a traditional database update. Your database will be continuously updated with latest definitions.

spacer File reputation system

FileRep lets you know whether a file is safe before you open it – determined in part by how many people have the file and how new the file is. The technology is also used internally, to help the scanning engine make more intelligent decisions.

New Protective Features

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Suspicious programs are now automatically placed inside the avast! Sandbox. When the program finishes, a comprehensive report is generated and, based on the program’s behavior, you are given a recommendation on how to treat it in the future.

spacer Browser Sandboxing

Enabled by a single click of the mouse, it allows you to completely isolate the browser from the rest of the system – even if the browser gets hijacked, your system stays clean.

spacer WebRep

The version 7 WebRep browser plugins provide greater protection against phishing sites, including heuristics detection of new phishing sites. Additionally, we have extended browser support to Apple™ Safari™.

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Available only in Pro Antivirus and Internet Security, our SafeZone™, your ultimate clean and secure window for financial transactions, now auto-prompts you and moves to the SafeZone from your regular browser.

Greater Usability

spacer avast! Account portal

Your web-based avast! Account portal is your personal directory for all your avast! related data. It allows you to track all your avast! installations, complete with their health data, status information, and useful statistics.

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Our new Remote Assistance tool lets you initiate remote support from any ‘geek’ among your friends or family who agrees to help. Initiated by you, it routes through AVAST’s servers, bypasses firewalls, and can be terminated by you at any time. You will never have to ask for help over the phone again.

spacer Easy-to-use user interface

The avast! user interface has been optimized to be more intuitive. Novices will find it easy to use, while experts are still able to customize every aspect of the software to their individual needs.

spacer Customizable installation

Your avast! software can now be installed in Compatibility Mode, meaning that it will run perfectly along with your other antivirus software to act as a second line of defense. And even if you install avast! in normal mode, you are given the possibility to install the components you really need.

Now even faster AND less resource-hungry

Independent tests showed that avast! 6 was one of the fastest and least resource-intensive antivirus products available. We made version 7 even better: this is our best-performing product ever.

Windows 8 Beta compatible

avast! 7 runs great on Windows 8 and even has some cool new Windows 8 specific features, such as the Early-Load Antimalware Driver (ELAM), which snaps into the Windows 8 Secure Boot process to provide additional protection against system-level rootkits and bootkits.


Core Technologies

Antivirus and anti-spyware engine

Innovative scanning engine protects against viruses, spyware, and other malicious agents.

Real-time anti-rootkit protection

Prevents stealth malware (‘rootkits’) that, when loaded by the computer’s OS, are invisible to ordinary scanners.

Silent Firewall avast! Internet Security only

Stops hackers, using heuristic and behavioral analysis and a white list of safe applications.

Antispam avast! Internet Security only

Comprehensive spam and phishing filter, which works as a plug-in to MS Outlook and a generic POP3/IMAP4 proxy for other email clients.

avast! WebRep

Provides website reliability and reputation ratings according to community-provided feedback.

avast! CommunityIQ

Our technology uses a global network of sensors to provide us with data taken (anonymously) from the actual web-browsing experiences of an opt-in group of avast! users. This info is then used to protect all avast! users with the most up-to-date information on viruses and infected websites.
Because of avast! CommunityIQ, avast! has discovered 251,844 infected websites and protected 33,924,256 people from visiting them in the last 30 days.

Hi-Tech Features

Boot-time scanner

Scans your computer for infections before the OS can start to activate any viruses beneath it (now applies to Windows 7 and Windows Vista).

avast! SafeZone™ avast! Pro Antivirus and Internet Security only

Opens a new (clean) desktop so that other applications don’t see what’s happening – perfect for banking or secure ordering/shopping – and leaves no traces once it’s closed.

AutoSandbox

Prompts users to run suspicious applications in the virtual Sandbox environment.

avast! Sandbox avast! Pro Antivirus and Internet Security only

Provides an extra layer of security for you to run your PC and its applications in a virtual environment – where any attacks are thus targeted (instead of your real PC).

OS supported:

  • Windows XP SP2+ 32-bit
  • Windows Server 2003, Vista, 7 (32-bit and 64-bit) only RTM versions are supported (Windows 7 SP1 RC is currently also supported)

OS not supported:

  • Windows 2000
  • Windows XP 64-bit (with any SP installed)
  • Windows Server 2003 64-bit

Intelligent Scanner

Reduces the number of required file scans up to 80% through a white list of safe applications. Files identified as safe are not rescanned unless they change.

Silent/Gaming Mode

Automatically detects full-screen applications and disables pop-ups and other notifications without compromising security.

Green computing

Leaves a minimal “footprint” due to its efficient and effective technology.

avast! Real-time Shields – a team of 24/7 guards

File System Shield

Real-time scanning of opened/executed files.

Mail Shield

Scans all incoming/outgoing email for malware (a special plug-in is used for MS Outlook).

Web Shield

Scans all visited web pages, downloaded files, and java scripts. Thanks to the intelligent stream scanning feature, the Web Shield doesn't slow your web browsing.

P2P Shield/IM Shield

Checks files downloaded via P2P programs and while using IM or “chat” programs.

Network Shield

Protects against network-based viruses with two main components: a URL blocker for malicious URLs, and a lightweight intrusion-detection system.

Script Shield

Detects malicious scripts hidden in web pages and prevents them from hijacking and potentially damaging your computer.

Behavior Shield

Stops ‘zero-day’ threats and unknown malware before virus definitions have been obtained.

Others

64-bit support

Supports the 64-bit architecture platforms of Windows 7 and Windows Vista.

Heuristics engine

Proactively finds malware undetectable with normal definitions and virus signatures.

Code emulator

Uses dynamic translation (a method much faster than traditional emulation) for both generic unpacking and within the heuristics engine.

Automatic processing

Infected files are processed automatically, without requiring user instructions.

Smart virus definition updates

Incremental updating minimizes the size of regular update files.

Fast application of updates

New format for the virus definition file means faster updates and reduces demand on CPU/memory, for uninterrupted computing.

Multi-threaded scanning optimization

Allows the splitting of large files between cores, which accelerates the scanning process on new multi-core CPUs and makes avast! run even faster.

Wake-up/Scheduled scanning

Schedule scanning at night or whenever you don’t need to use your PC.

Command-line scanner avast! Pro Antivirus and Internet Security only

Runs a scan directly from the command line.

To run avast! Free Antivirus, your PC must meet the following criteria:

Operating Systems Supported

  • Windows 8 (any Edition, 32-bit or 64-bit)
  • Windows 7 (any Edition, 32-bit or 64-bit)
  • Windows Vista (any Edition excl. Starter Edition, 32-bit or 64-bit)
  • Windows XP Service Pack 2 or higher (any Edition, 32-bit or 64-bit)
  • Microsoft Windows 2000 Professional Service Pack 4 (incompatible with avast! Account)

Minimum Hardware Requirements

  • Pentium 3 Processor
  • 128 MB RAM
  • 200 MB of free hard disk space

Please note that avast! Free Antivirus runs only on PCs with Windows 2000 Professional Service Pack 4 and newer.

For best results, remove any other antivirus software from your PC before installing avast!

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avast! Pro Antivirus 7 (latest generation)

  • Provides safe online shopping and banking
  • Cleans your PC before it even starts
  • Fastest antivirus for Windows
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