how do I change the division?
You are currently assigned to the Europe Division, which is a part of the EMEA Region.
If you want to join a vACC (Subdivision) in Europe, submit a request at https://members.vateud.net/
Transfers inside EMEA:
VATSIM UK, follow the instructions at https://www.vatsim.uk/visit-transfer
VATSIM Russia, email the Division Director https://vatrus.info/about/division
Transfer to a Division outside EMEA:
https://my.vatsim.net/user/region