Bill Gates built most of his wealth through Microsoft, the tech company he co-founded in 1975. Microsoft became widely successful by developing software that changed how people used personal computers, especially with its Windows operating system in the 1990s. Microsoft’s growth and Gates’s investments in other fields, like real estate and renewable energy, have helped him maintain his fortune. Today, Bill Gates’s net worth is estimated at around $105.1 billion, making him one of the wealthiest

Bill Gates joins 26 newcomers on list of 50 biggest donors