As Microsoft introduces its new operating system to replace Windows 8, spend a couple hours getting comfortable with the core features of Windows 10. We'll start by helping you understand the role of an operating system as the primary foundation and interface on your computer. Windows 10 offers some compelling features including Cortana, the brand new Microsoft personal assistant, and a new start menu. Some of its default settings, however, don't provide the best performance or usability, so we’ll advise you about changes to settings that will improve your user experience. Whether you’re new to Windows altogether or just upgrading from a previous version, you'll find what you need to get going with Windows 10.