Though Warframe codes are redeemable on any platform, you'll need to use the dedicated official site to redeem a code, and they can't be redeemed in-game. Follow these steps to successfully redeem ...

Duplex Bond is a useful mod that helps you keep your energy topped up without occupying an important Warframe slot.

If you can't find it, open up the escape menu and head to "Navigation ... you can get all Protoframe Gemini skins from the in-game market for Platinum, Warframe's premium currency.