According to YouTube blogger Jackfrags, Battlefield 6 allows players to install content freely, including single-player campaigns, multiplayer modes, or high-resolution textures.

If the player does not want to play a single player campaign, just install multiplayer mode and vice versa.

In addition, in terms of "Ultra" image quality, there is a new image quality preset mode called "Overkill":

The PC configuration disclosed on the Steam Store page of "Battlefield 6" confirms that the game requires at least 80GB of hard disk installation space, but if players are allowed to install freely, it can at least save players a lot of SSD space.