The company that founded the first graphical web browser for Windows is Netscape, with its product called Netscape Navigator. Launched in the mid-1990s, it revolutionized the way users interacted with the Internet by introducing a user-friendly interface and supporting graphical content. This browser played a significant role in popularizing the World Wide Web, making online content more accessible to the general public. Its development marked the beginning of widespread Internet usage, setting the stage for subsequent web browsers and technologies.