The launch event was a spectacle, which undoubtedly helped move some copies. Former late-night television host Jay Leno introduced Bill Gates at the Windows 95 launch event. According to Microsoft, Windows 95 sold 7 million copies during its first five weeks. If you wanna kick the tires on Windows 95, right inside Windows 10, using an app uploaded to GitHub by Slack developer Felix Rieseberg. It's a little less than a 300MB download.