
Determine whether your computer is running a 32-bit version or 64-bit ...
Click Start, type system in the search box, and then click System Information in the Programs list. When System Summary is selected in the navigation pane, the operating system is displayed as follows:
“An operating system wasn’t found” error when booting Windows
When trying to boot Windows, you receive the error: An operating system wasn’t found. Try disconnecting any drives that don’t contain an operating system. Press Ctrl+Alt+Del to restart
Unsupported Operating System Error - Microsoft Support
Click No in the message box to terminate the installation, and then upgrade to a supported operating system. See the System Requirements and Installation Guidelines document that is located the FRx …
Find Information About Your Windows Device - Microsoft Support
Oct 14, 2025 · Learn how to find basic information about your Windows device, including the device name, version of Windows, hardware details and avaialble storage space.
Install Windows Updates - Microsoft Support
Learn how to check for the latest Windows Updates and install them to keep your device running smoothly and securely.
Reinstall Windows with the installation media - Microsoft Support
This media, typically created on a USB drive or DVD, contains all the necessary files to install or reinstall Windows on your device. It is particularly useful in scenarios where your system encounters …
Windows help and learning - support.microsoft.com
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
System Configuration Tools in Windows - Microsoft Support
Oct 14, 2025 · The editor includes a wide range of settings that control various aspects of the operating system, such as security options, system behaviors, user environment settings, and more.
Fix issues by reinstalling the current version of Windows
If your PC is experiencing problems, especially issues related to Windows Update, you can use the Fix problems using Windows Update recovery option to reinstall the current version of Windows.
Back up and restore with Windows Backup - Microsoft Support
From your files, themes, and settings to many of your installed apps and Wi-Fi information, Windows Backup protects what matters and makes it easier than ever to move to a new PC.