What activities made Bill Gates famous?

He is the inventor of Microsoft.

There is no one particular cause which stands out in Bill Gates' accomplishments. Generally, his steady donations for medical care for the most challenged, is his forte. Bear in mind, Bill Gates...

For starting Microsoft Corporation, which produced Windows which is the operating system on more computers than any others. Microsoft? Being the founder of Microsoft

He's really rich and he founded microsoft He helped bring America into the computer age and he started the Bill and Melinda Gates foundation

Yes.Bill Gates made Microsoft. He is the creator of Microsoft.