To install and register licensed BkavPro 2010, you can follow the instruction here.

During your registration for BkavPro 2010, one of the following notifications might appear on your screen:

•  "This license key has been used in another computer!"

The notice appears when the license key you enter has already been used on another computer. Each license key can be used on only one computer, which helps protect BkavPro users' right. On registering, if you see this notice, contact Bkav Contact Center through the number or the email address printed on BkavPro card or on the software to get support.

•  "Invalid licence key !"

If you see this notice, it means that the license key you typed is wrong or not valid. Check the license key on the Customer card to make sure that you enter the correct one. If you still have problems with registration, contact Bkav Contact Center through the phone number or the email address reserved for BkavPro users printed on the card or on the software to get timely support.

•  "Wrong verify code !"

The notice is to inform you that the verify code you typed is not correct. Click OK to close the notice window and register again. Remember to correctly type the new verify code which has just appeared. If there are still troubles, contact Bkav Contact Center through the number or the email address reserved for BkavPro customers printed on the card or on the software to get timely support.