Includes: Base game The official soundtrack Become the Princess Knight Leap into a fabled world of hunters, beasts & heroes in Hollow Knight: Silksong and experience the epic musical score by composer Christopher Larkin. As the lethal hunter Hornet, adventure through a kingdom ruled by silk and song! Captured and taken to this unfamiliar world, prepare to battle mighty foes and solve ancient mysteries as you ascend on a deadly pilgrimage to the kingdom’s peak.

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "LIBRARY" tab and start downloading.