Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Support for Windows 8.1 ended on January 10, 2023. We recommend you move to a Windows 11 PC to continue to receive security updates from Microsoft. Learn more. Windows comes with drivers for many devices, such as printers, displays, keyboards, and TVs. A driver is software that a device uses to work with your PC.

Windows 8.1. Support for Windows 8.1 has ended. Support for Windows 8.1 ended on January 10, 2023. We recommend you move to a Windows 11 PC to continue to receive security updates from Microsoft. Learn more. Windows 8 has reached end of support, which means Windows 8 devices no longer receive important security updates.

Windows 7. Select the Start button , right-click Computer, and then select Properties. Under System, see the system type. Which version of Windows should I install: the 32-bit version or the 64-bit version? How do I tell if my computer can run a 64-bit version of Windows? Windows 10 and Windows 8.1.

This update applies to some reserved devices that are upgrading to Windows 10 from Windows 8.1 or Windows 7 Service Pack 1 (SP1). Before you install this update, see the Prerequisites section. How to get this update. Important If you install a language pack after you install this update, you must reinstall this update.

This article describes the Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update that is dated April 2014. It also addresses some known issues about this update. This includes the 0x80073712 installation error. A restart is required after you install this update.

Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows. The 64-bit version is %systemroot%\System32\regsvr32.exe.

Windows 10 Windows 8.1 Windows 7. You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

Method 1: Windows Update. This update is available through Windows Update. It will be downloaded and installed automatically. Method 2: Microsoft Update Catalog. To get the stand-alone package for this update, go to the Microsoft Update Catalog website. Method 3: Windows Server Update Services.

Windows 8.1. Windows Server 2012 R2. Windows 10. Windows Server 2016 Technical Preview. The Wusa.exe file is in the %windir%\System32 folder. The Windows Update Standalone Installer uses the Windows Update Agent API to install update packages. Update packages have an .msu file name extension.