How To Activate My Avast Antivirus With A License File? If you use a free or paid version of Avast antivirus then you need to activate the program with a license key to run it. After purchasing this product, you will receive an order confirmation email containing a license file which you have to insert to this antivirus program to activate the program.
The process of using a product key and the key itself varies depending on the version of your antivirus you use. Paid users have to use a license file which is a separate file which you will insert into the program. You will find this file on your confirmation mail which you got at the time of purchasing the product. Here, Avast Support Canada has provided a step-by-step guideline in order to activate your antivirus using a license key. Just go through below given guidelines properly.