This link is only for those who purchased the ASUS version but I believe the promotion is across all versions.
ASUS instructions are:
You need to provide three items when registering and it must be REDEEMED by 24 Nov 2017 (ASUS determined date):
Step 1: Serial Number (get from box)
Step 2: PPID number (from the graphics card and so you will most likely have to remove it (like me) just to get to it)
Step 3: Digital version of the invoice proving your purchase was between 21 August 2017 and 5 September 2017.
Step 4: Once you get the CODE in your email, log into GeForce experience to redeem. Instructions are here.
Gigabyte instructions are:
Step 1: Complete product questionnaire.
Step 2: Send your information (name and SN) and attach purchase invoice/receipt to
[email protected]
Step 3: Once we confirm you're qualified, we will send you the redeem code. You need to redeem the game through Geforce Experience. Please refer to following redeem guide:
http://www.geforce.com/redeem-instructions
MSI instructions are:
Step 1: Register your Graphics Card product(s) and get the redeem OR Register your Notebook product(s) and get the redeem
Step 2: After the registration process is complete, you will receive the activation code on screen. Please download GeForce Experience to active your code.
http://www.geforce.com/redeem-instructions
"danielh 16 min ago www.asus.com (27 clicks)
Digital version of the invoice proving your purchase was between 21 August 2017 and 5 September 2017."
Phew; great if you have just bought one; but not a great deal if i cant go down to my local shop tomorrow to buy one; if the purchase date has to be before 5 September?