While Bill Gates has been a significant philanthropist and has supported many cultural institutions, including museums, he has not had a museum named in his honor.
The closest thing to a "Bill Gates museum" would be the Bill & Melinda Gates Foundation Discovery Center in Seattle, Washington. This interactive center focuses on global health and development, highlighting the foundation's work in areas like poverty alleviation, vaccine development, and education.
It's important to note that the Discovery Center is not a traditional museum and is not primarily focused on showcasing the achievements of Bill Gates.