1. Go to learn.chessking.com Step 1

Log in if you already have an account on chessking.com, or Register if you don't have one
*You don't need any product data during registration - set your own username and password, and provide additional information if you want or do it later.

Step 2
3. In the Courses tab, click Subscribe in the upper right corner, or Extend - if you already have an active subscription Step 3

A new page will load. Enter/paste your product key into the promo code field and click Activate

Step 4

You can ignore the table with subscription types below when activating bonus subscription.

Unless stated otherwise, bonus subscriptions are always of the Ultimate type, allowing you to use the courses on any platform.

You can always check your subscription type in your purchase history.