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 252 comments | Did we miss anything? Just let us know in the comments!

  1. Harry Reply

    If I have a PC without 24h/24h internet connection, how to avoid Avast looks for update or other Internet based operation?

  2. Ramos Reply

    i do not get this. you say its free antivirus ect. but all it does is scan for viruses and other problems. when you wanna fix them, like remove viruses, cleanup, clear registry, optimize performance then it asks to pay for upgrade. so what is the point of having “free” antivirus which only scans for problems but do not fix them for free????

    • John Lee Reply

      It can remove viruses. That’s all. The other things are just annoying popups – ignore them. If you want to clean the registry or optimize performance and such, get CCleaner.

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