What is Windows 7/10/11?

Windows is a series of operating systems developed by Microsoft. Windows 7 was released in 2009 and was widely used for desktops and laptops, known for its improved user interface and stability compared to its predecessors. Windows 10, released in 2015, is a more modern operating system used on a variety of devices including desktops, laptops, tablets, and phones, focusing on a unified experience and regular feature updates. Windows 11, the latest major release, was introduced in 2021 featuring a redesigned user interface, enhanced security features, and improved performance. All three versions manage hardware and software resources, provide a platform for running applications, and offer a graphical user interface for interacting with the computer.