The Vive VR headset works with the Steam PC client made by Valve.
1. Launch the Steam client software and log into your Steam account.
2. Click the Games Menu along the top of the Steam client.
3. Choose Activate a Product on Steam.
4. Follow the onscreen instructions to complete the process.
Important: Ensure that you are activating your game through the Steam application. The Steam website cannot be used to activate a game. If you have not yet done so, you can download and install the Steam application by clicking on the green "Install Steam Now" button here:
http://store.steampowered.com/about/
1. Launch the Steam client software and log into your Steam account.
2. Click the Games Menu along the top of the Steam client.
3. Choose Activate a Product on Steam.
4. Follow the onscreen instructions to complete the process.
Important: Ensure that you are activating your game through the Steam application. The Steam website cannot be used to activate a game. If you have not yet done so, you can download and install the Steam application by clicking on the green "Install Steam Now" button here:
http://store.steampowered.com/about/