Update your contact information in the service Update Contact Information on My Startpage at Student Portal. Use your CID (Chalmers ID) to log in. Go to My Pages and update email, address and phone number, to get relevant information from the university to an email you always check.
You also need to change your contact information at the Student Union. You can do that in their membership website.
Report a change of address in the population register
If you move to another place in order to study at university, you must be registered in that place.
Permanent change of name
In order to update your name in Ladok, you need to first update your name at the Swedish Tax Agency (Skatteverket). Your new name will automatically update in Ladok.