1. Log in to your GameHaunt account to get your key. If you don’t have one, register for free HERE
2. Get your Code (Refresh the page if the key won't show up)
3. Log into your account using the NCSOFT account website
4. Click “Apply A Code” on the red banner near the top of the page
5. Paste in the serial code you received. It should look something like this: XXXX-XXXX-XXXXX-XXXX
6. Click Apply
7. If you receive a success message, you're good to go! If you receive any errors, double-check that the serial key was correctly entered.