At your next Blue Jackets game, download the Official NHL Mobile App from the iTunes or Google Play store, or go to bluejackets.expapp.com on your mobile browser.
In the Official NHL Mobile App (Blue Jackets view), select "Seat Upgrades". Follow the prompts to:
You will still need a game ticket to enter Nationwide Arena for the game. All upgrades are first-come, first-served based on available inventory.