Learn how to find basic information about your Windows device, including the device name, version of Windows, hardware details and avaialble storage space.

Learn what file name extensions are, which extensions are common in Windows, and how to view them in File Explorer.

When you open a file in Windows, such as an .exe, .cmd, .reg, .regedit, .secfile, .com, or .bat file, a different program or file may start. Additionally, the icon for the file may not appear as expected.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

To resolve this problem, try to identify and remove deceptive software from your computer. To do this, use one or all the following methods. Note Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If they are, see your product documentation to complete these steps.

Learn about the Windows Get Help app, including what it does and how to launch it.

Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate your device's customization and monitoring, allowing you to change Windows' configuration to suit your preferences and requirements with precision.

Windows includes a tool called Microsoft System Information (Msinfo32.exe). This tool gathers information about your computer and displays a comprehensive view of your hardware, system components, and software environment, which you can use to diagnose computer issues.

With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.