To play the full version and DotA, follow these methods based on whether you own an original CD key or are starting fresh. 1. Official Method (For Owners of Original Keys)
Once redeemed, the game will appear in your "Games & Subscriptions" section under Classic Games . To play the full version and DotA, follow
Log in to Battle.net, navigate to "Account Settings," and enter your legacy key. navigate to "Account Settings