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avast! Free Antivirus 2014 [Download]

Windows Vista / 7 / 8 / XP
4.7 out of 5 stars  See all reviews (8,378 customer reviews) 50 answered questions

Price: $0.00
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Available Now.
Sold by Amazon Digital Services, Inc. Additional taxes may apply. By placing your order, you agree to our Terms of Use. Game and software downloads are non-returnable and non-refundable after purchase.
Note: Currently, this item is available only to customers located in the United States and who have a U.S. billing address.

Download size:
4.6 MB
Download time:
1 minute on broadband, 11 minutes on dial-up
Note: You can access this item in Your Software Library. The number of computers eligible for installation may vary.

Product Features

  • Improved Antivirus and anti-spyware engine performance - The scanning engine has been optimized to allow faster scans of EXE files - twice as fast, while scans of text contents (such as web pages and documents) are up to 10 times faster.
  • Continuous Streaming Updates - Every day, at least 250 virus-database micro-updates (the size of a simple text message, every 3-5 minutes) give you real-time protection against zero-day threats.
  • Faster Installation - We've dramatically reduced the size of the installation file to about a half, so avast! downloads/installs even faster. And the installation process has been simplified to one-click - no hassle.
  • New Design of the User Interface (UI) - Following on the success of the previous avast! UI, we listened to your feedback and improved the experience. We simplified the navigation and action buttons and reorganized the Settings in one simple place.
  • Browse securely & privately - We added a Do Not Track feature to our browser plugins that identifies tracking software and gives you control over what companies can follow what you do online.

System Requirements

  • Platform:   Windows Vista / 7 / 8 / XP
  • Media: Software Download

Special Offers and Product Promotions

  • No Packaging, No Shipping, No Waiting: There is no shipping or packaging required for this electronic software download, reducing its environmental footprint. Discover, learn about, and shop for environmentally-friendly products on the Amazon Green page.

  • Get a $100 Gift Card: Get the Discover it chrome card and get a $100.00 Gift Card* after your first purchase within 3 months. Learn more.

Product Details

  • Downloading: Currently, this item is available only to customers located in the United States and who have a U.S. billing address.
  • Note: Gifting is not available for this item.
  • ASIN: B00H9A60O4
  • Date first available at October 15, 2013
  • Average Customer Review: 4.7 out of 5 stars  See all reviews (8,378 customer reviews)
  • Amazon Best Sellers Rank: #5 in Software (See Top 100 in Software)
  •  Would you like to give feedback on images?.

Product Description

avast! Free Antivirus 2014 - World's most-trusted antivirus, in over 40 languages

avast! Free Antivirus 2014 continues our legacy as the most-trusted security provider in the world. The entire avast! 2014 family includes a powerful intelligent antivirus that – with the help of our CommunityIQ – streams hundreds of daily micro-updates to your computer in real time, to catch new malware faster. Plus, you can fix current problems instantly, without uninstalling your current protection.

Guards Against Viruses and Spyware

Fast, lightweight, and efficient – time and again avast! Free Antivirus has been reviewed, certified, and awarded for its continual high performance record combined with a low impact on system resources.

Streams Threat Updates in Real-time

Every day, at least 250 virus-database micro-updates (the size of a simple text message, every 3-5 minutes) give you real-time protection against zero-day threats. And it even has high-tech options like Remote Assistance.

Improved Shield Protection

For version 2014, we redefined the number of shields to three – File Shield, Web Shield, and Mail Shield. The Web Shield contains Network Shield and Script Shield functionality, while the File Shield contains Instant Messaging and P2P Shield functionality. Reducing the number of shields makes these important functions easier to use and it streamlines the way all the shield layers communicate.

Cloud Scanning

We have improved cloud scanning features and crowdsourced analysis of suspicious items. This includes a new, optimized mechanism for collecting data from our sensors. Now files pass through several layers of detection techniques, where they are examined for suspicious code, behavior or instructions. The new algorithm uses artificial intelligence technology to learn what is suspicious from previous analyses and uses that knowledge for future detections.


New DeepScreen technology allows avast! 2014 to make more intelligent decisions about new or unknown files. DeepScreen, which is the successor to AutoSandbox feature, has been upgraded with some new technologies such as dynamic binary translation and DynaGen. DynaGen dynamically generates malicious behavior signature updates based on artificial intelligence technology.

Hardened Mode (whitelisting)

Hardened mode basically only allows known and trusted apps to run, preventing non-whitelisted (aggressive mode) or low-rating (moderate mode) apps from ever running. It performs automatically, so you don’t have to worry.

Rescue Disk

avast! Free Antivirus 2014 allows you to create an image of your avast! installation and save it on a USB, CD or DVD. That way if anything nasty happens to your PC, you have the disk ready to run avast! to clean and restore your PC to normal.

Innovation is Our Business

After 25 years of innovation, we're the most-trusted security in the world, protecting more PCs, Macs, and Androids than anyone else.

Core Protective Features and Technologies

  • avast! Real-time Shields (a team of 24/7 guards)
  • Cloud Scanning
  • Real-time Anti-rootkit Protection
  • Boot-time Scanner
  • avast! WebRep
  • avast! FileRep
  • Browser Cleanup
  • Do Not Track
  • Software Updater
  • Remote Assistance
  • avast! Account

New Features and Technologies

  • Redesigned interface
  • DeepScreening
  • Hardened Mode
  • Rescue Disk


  • Installation
  • Performance
  • Streaming Updates
  • Shield Protection
  • avast! Account integration

System Requirements:
  • Supported OS:   [Windows 8, Windows 7, Windows Vista, Windows XP]
  • Processor:   Pentium 3
  • RAM:   128 MB
  • Hard Disk:   400 MB
  • Video Card:   Integrated

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews
63 of 67 people found the following review helpful
5.0 out of 5 stars AVAST January 14, 2014
best anti-virus I've ever used including ones I've had to pay for. All my friends even the ones who do IT work on computers recommend this program. It has found all the viruses and spy ware on my computers regardless of Operating System. I also use it to protect my mobile devices.
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41 of 43 people found the following review helpful
4.0 out of 5 stars Best antivirus for my needs (so far). January 30, 2014
If I get a virus, that's when I change an antivirus package. I've had to do it before, several times. I have not had to do it yet with Avast, and I've been using it for more than 4 years. It has controls I can customize. I can turn it off when I want to, temporarily, or even permanently. It has audible notices, if you like, for things like updates, or warnings of something suspicious.

My one complaint is that being a free product, it does occasionally nag you. It will nag me when other software isn't up to date, or if it wants to offer me a paid upgrade of some kind. Or, to nag me to rate the software like I'm doing right now. I don't mind a polite nudge or two, which is generally the case. What I do take offense to, generally, is being told something that has *NOTHING* to do with security needs to be updated. If I don't want the latest flash update, that's my business. Also, when you nag me to talk about how much I like your software, I'm going to mention that I was nagged to do so. This has been at least my second such nag message this week.

It's really a small complaint, since I'm pretty sure I can probably turn them off. Point is, I shouldn't have to.

Otherwise, I highly recommend Avast. It keeps me secure. It's done so for several years. It's certainly a lot better than software I've used before. My first was Norton, which I dropped after getting a virus, and because of fraud. It would claim that flash games were malicious trojans. Even well-known and popular commercial software products would be labeled as specific viruses. I also found out they've committed fraud in scans to make people believe their software is more necessary than it is. I've used AVG, as well. That was a pretty good antivirus, but when I got infected, I cast it aside, and went with Avast. I've been using it since.
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54 of 58 people found the following review helpful
5.0 out of 5 stars Great Antivirus January 14, 2014
Have had this for over 8 years and never had a problem. Got one virus and sent it to them, they had the fix the next day. I would recommend it over all others
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50 of 56 people found the following review helpful
4.0 out of 5 stars Great product January 15, 2014
I think a Avast Antivirus is a great product. I enjoy the easy to use interface. Would recommend to everyone PC or Android. The only con is the dang pop up you get every day wanting you to buy or change something. It is free so i will tolerate that small head ache.
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66 of 78 people found the following review helpful
1.0 out of 5 stars NO- DO NOT BUY... March 3, 2014
I was an avast user from before it was a paid commercial product. You will not get customer support. If you call you will be routed to Costa Rica and they will attempt to charge you for support. The software has become malware. It changes your system to the extent that it requires an uninstall tool beyond that provided by windows. Just don't do it. I used to advocate this as a good package to m y customers and now I just can't. They used to be good, but now, it is large cumbersome, confusing, intrusive, and the company is not accountable. I have a trove of screen shots to show where I had to boot my system into safe mode and use AVG and malware bytes to clean up what avast missed. Customer service is rude, and does not have the authority to address your issues. If you aren't happy then your only recourse is to ask for a refund through their website to submit a "ticket", and believe me it is a long and tedious process and you will get an email in response that wants you to provide all the info you have already told them saying they want to resolve your problem. I am reporting them to the BBB.
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43 of 50 people found the following review helpful
1.0 out of 5 stars F'ing popup notifications ALL THE TIME January 10, 2014
For something that should be running the background, Avast will constantly pester you with pop up notices that have nothing to do with the security of your system. Super annoying.
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63 of 76 people found the following review helpful
By Dolce
Verified Purchase
At first I thought they changed my search engine to Bing, but it turns they only changed the home page to Bing. At first I only gave this 3 stars, but since it is free, it
doesn't seem like there is much to complain about right now. If something happens, I will update - otherwise so far no problems. I've had it about 6 hours now.

2/10/14 - Review has now been edited. Just received a pop up that says Avast has certified my outgoing e-mail by inserting a small message into my outgoing e-mail.
Then it said to review options for this clicking inside the pop up box. I will need to Google this and report back what this is all about.

Shouldn't I have had a chance to explore options before they sent something on my behalf?
This e-mail is used for business purposes, so extremely frustrating that my clients could be reading something that I have not had a chance to read yet.

2/14/14 - Review has been edited to tell you that certain websites had information removed. Example: I went to log into a credit reporting website, and could only see half my page. At my cell phone provider's website, couldn't access certain things. When I clicked on web under the options of Avast, it had been blocking scripts. I had to uncheck the box.

I've noticed that several web pages now loading very slowly, from IE to Google Chrome to FireFox to Opera.

I'm uninstalling it and see if things are back to normal. For now, this product is receiving a 1 star rating.

2/16/14 - I uninstalled Avast and my computer seems to be back to normal.
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Most Recent Customer Reviews
4.0 out of 5 stars Four Stars
It's only free for a month.
Published 9 hours ago by tme1315
5.0 out of 5 stars Five Stars
Really good
Published 19 hours ago by MohmmedFahedAlasous
5.0 out of 5 stars Good product
it worked very well for me cleaning up the adware that kept plaguing my pc
Published 21 hours ago by bob alderman
5.0 out of 5 stars Five Stars
Published 1 day ago by daniel
1.0 out of 5 stars Does not work
Does not work
Published 1 day ago by Steven Nelson
1.0 out of 5 stars Do not trust!
Had great reviews so I thought it was a better alternative than paying $80 for the other brands but I should have. Avast still allowed my computer to get viruses. Read more
Published 1 day ago by Jaci Bozeman
1.0 out of 5 stars stay away. sells your email address to foreign solicitors. dangerous!...
Started getting emails Soliciting funds from a foreign country promised ng big at bottom showed avast ....never got them before and haven't got once since deleting. Read more
Published 1 day ago by chris fender
5.0 out of 5 stars Stop paying for basic Anti-Virus
As an IT professional, I can attest that the basic Avast Anti-virus is amazing for FREE! Very easy dashboard to set settings for non-IT people. Read more
Published 1 day ago by Gerry Criscenzo
3.0 out of 5 stars getting by
Too much interference but easy to install and it works
Published 2 days ago by H. Barnes
4.0 out of 5 stars Four Stars
Haven't had it on my system long enough to give a legitimate opinion.
Published 2 days ago by Bud
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