Avast! Free Antivirus requires annual registration. Even the free version must be registered because Avast wants to be able to determine how many active users they have. This allows them to maintain enough update servers for all the users they have. There are two scenarios where Avast Free needs to be registered:
1) You have just installed Avast Free.
2) After 1 year you receive a message from Avast Free to re-register.
On-line registration is very simple and it’s the preferred method for all users of avast Free Antivirus 6.x installed on a computer with standard Internet connectivity. To perform on-line registration follow these steps:
Right-click the avast! system tray icon and select ‘Registration information’ from the menu, (more…)