To download and play online, you should use official digital storefronts like Steam for PC, the PlayStation Store, or the Xbox Store . The "Final Battle" edition is the complete package, including the base game and the season 3 expansion. Official Purchase & Download Options
Multiplayer Modes? (Final Battle game) : r/AoTWingsOfFreedom
/5 : Can be purchased digitally via the PlayStation Store. Note that is required for online multiplayer features. Go to product viewer dialog for this item.
/ Series X|S : Digital copies are available on the Xbox Store. Online multiplayer requires an subscription. Nintendo Switch : Available on the Nintendo eShop. Online Multiplayer Features