If PowerDirector came pre-installed on your PC (OEM version), it may activate automatically, or the key might be located on a sticker on the computer chassis. Steps to Activate

: Registered users can often retrieve their keys by logging into the CyberLink Member Zone or using the CyberLink Application Manager Bundled (OEM) Versions

If you registered your product, you can log into the CyberLink Member Zone and check your "Registered Products" list to retrieve your key.