You probably already know that Avast Free Antivirus 2017 is totally free and you don’t have to pay a cent to be protected. At least if you’re using it in your household for non-commercial activities.

However, there is one thing you have to do within the first 30 days and each year after. Even though you will get the license only for 1 year, you can get a new one when it expires. So you can basically keep using Avast for free forever.

It’s called registration for a license key (activation code), and it’s very simple.  It also works in any older version like Avast 2016, 2015, 2014, 8, 7, 6, 5 or v4.8. In the past Avast was also using license files which were generated for specific e-mail address. License files are luckily not used anymore and the only thing you need is a simple 28-character long unique code.

WARNING We strongly do not recommend using any keygen or crack you may find on the Internet. Most of them are full of malware.

If you like videos, there is a fantastic commented video manual on this page, which explains the whole registration process in a few seconds. And don’t worry if you are not able to retrieve your own license key, we have got one for you at the end of this tutorial.

Register and Get Your Free License Key (Activation Code) via the Program Interface

Step 1 (out of 5) – Open Avast and Start the Registration

Start by opening your Avast user interface. You can do this in many ways:

  • Find Avast icon on your desktop
  • Find Avast program in your Start menu
  • Find Avast icon in the Windows system tray (bottom-right corner). It is usually hidden, so you need to click on the top arrow

When Avast user interface is opened you can register by clicking on the ‘ACTIVATE‘ button at the bottom left corner of the main window, ‘Activate‘ link in the status area, or by going to settings (bottom left corner) » ‘Subscription‘.

Avast Free Antivirus 2017 License Registration – User Interface

Avast Free Antivirus 2017 License Registration – User Interface

Alternatively you can also find the Avast icon in the Windows system tray (bottom-right corner), right-click on it and select ‘Registration information‘.

Avast Free Antivirus 2017 License Registration – Windows System Tray

Avast Free Antivirus 2017 License Registration – Windows System Tray

Avast Free Antivirus 2017 License Registration – Windows System Tray

If you are getting closer to the expiration date, Avast may also prompt you with the registration pop-up.

Written by Paul B.

My name is Paul and I love Avast since the Home Edition v4.8 (2008). I am recommending it to all my friends, but I realized they don't know how to use it. So I started this site in order to help others getting maximum from this awesome antivirus. Feel free to contact me via Facebook, comments below or this form.

This article has 229 comments | Did we miss anything? Just let us know in the comments!

  1. valentine Reply

    ive already have the Avast Free Antivirus 2017, can you send me the activation code, please .. its for windows10

  2. ron curran\ Reply

    have been using thiscompany for many years great service and protection thank you

  3. murray Reply

    A relative has new instal Version 17.4.2294 (build 17.4.3482.0).30 day free active..
    registered online, received email with “FREE” license key , 19+8 digits.wanted to activate 1 year free now.
    NO offline registration option, only subscription / insert activation key with 6+6+6 digit boxes,and license file tab.,
    baffled , or should they wait until the month runs out and hope for clarity.
    AVASTs’ instructions and screenshots for this show different versions than what is in front of us.

  4. David Reply

    In the license key what is 0 (a neumaric number or alphabetical O)because every time I enter the key I got an error, is it that I still have 30 days trial period?

  5. Rabby Reply

    When i tried to insert the code on avast it showed 4boxes to write the code..but the registratinn code you provided and also which i got from avast site is not in four i can not write the code in four boxes..what i should do now?

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