you need
  • - demo version of anti-virus;
  • - internet connection.
Guide
1
determine which option key you want.If the license, then go to the website the manufacturer of your antivirus and buy the key right there.If you want to register free, then look for the network called "Journal" keys - versions that are distributed free of charge to various computer magazines.
2
If you choose Kaspersky Anti-Virus, then download the file key to any sharing.Link to get through any search engine.After downloading and all those in the downloaded folder, select any key and run as administrator.Then click "OK".Version activated.
3
Avast officially offers free registration.Run the demo, and then tap "of the Avast».After a few seconds a window will
appear with the word "license key", click it, then click the item "registration program."You will see a profile.Fill it.Within a few minutes your box will code that will help to complete the registration.Again, go through all the items to the stage of "Check the program" in the specified line, enter the code.Register for the year received.
4
Nod32 also formally pleases its customers.Visit the official site of the manufacturer, select "receive free key » and click on it.Start the download and when it was over run the demo version.Find the registration menu, insert the file, go regeneration, after which click "Finish".