1. Yes, as explained in the plan management section:
At the beginning of the implementation of this new plan, it will be possible to upgrade from an individual plan to the multiplayer plans, such as DUO or SQUAD.
such as transitioning from a monthly plan to longer options like quarterly or annual. The same rule applies to the DUO and SQUAD plans, where changing the billing cycle (e.g., from monthly to quarterly or annual) is allowed.
