check the cd (or image) for a directory called 'crack' or it could be whatever group released it (ie a hoodlum directory).
in that directory is a cracked exe file to replace the one installed to your HD (backup the original first).
asus z170-A || core i5-6600K || geforce gtx 970 4gb || 16gb ddr4 ram || win10 || 1080p led samsung 27"