Estate Law Questions? Ask an Estate Lawyer.
What you will want to do is visit with a local attorney so you know what kind of probate you want to do. A formal probate starts with an Application for Probate which you file with the court, along with the original of the will, and then you serve a copy on all the creditors.
If it is an informal probate then you can get the forms already filled out from this website.
Those would have to be served on the potential beneficiaries as well.
The probate code for Wisconsin can be found at http://docs.legis.wisconsin.gov/statutes/prefaces/toc
The blank probate forms for Wisconsin can be found at https://www.wicourts.gov/forms1/circuit/ccform.jsp?FormName=&FormNumber=&beg_date=&end_date=&StatuteCite=&Category=26&SubCat=All
However, the fees for having the forms filled out by an attorney at the website that has the link above are pretty reasonable and worth the money you pay just due to the time you save, if nothing else.
Here are three more websites that provide information on doing a probate yourself:
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