To redeem a coupon in POPULATION: ONE, please follow these steps:
1 - Navigate to the Store tab at the bottom of the main menu.
2 - From there, select the Coupon option on the left
3 - Finally, input the Coupon code in the window that pops up
4 - Equip/Claim your reward!
If you have any issues, please file a support ticket at support.bigboxvr.com