To Upgrade your ChessBase Light 2007 to ChessBase Light 2007 Premium you need an activation key and a internet connection.

ChessBase Light Activatiopn key costs € 49,99

How to buy an activation key

With Click&Buy. If you order with Click&Buy, you will receive the serial number immediately by e-mail.

With PayPal. If you order with PayPal, you will receive the serial number immediately by email.

In the ChessBase.com Shop. Delivery with take approx. 2 working days. You will receive the key by Email.
ChessBase Shop