To register to vote online (or to change your name or address) go to:  myvote.wi.gov

For the most up-to-date information on registering to vote in Wisconsin, please visit the Wisconsin Election Commission link listed below:
http://elections.wi.gov/node/2554

For information on what you can use as your "proof of residence" please see the Wisconsin Election Commission link below:http://elections.wi.gov/sites/default/files/publication/154/wi_proof_of_residence_guide_2018_pdf_60557.pdf