Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Windows. Summary. The Windows Malicious Software Removal Tool (MSRT) helps remove malicious software from computers that are running any of the following operating systems: Windows 10. Windows Server 2019. Windows Server 2016. Windows 8.1. Windows Server 2012 R2. Windows Server 2008 R2. Windows 7. Windows Server 2008.

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.

Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Create installation media for Windows. 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.

Download the tool. You can manually download the MSRT from the Microsoft Download Center. The following files are available for download: For 32-bit x86-based systems: Download the x86 MSRT package now. For 64-bit x64-based systems: Download the x64 MSRT package now. Deployment overview.

This article describes the Microsoft .NET Framework 4.7 offline installer for Windows 7 Service Pack 1 (SP1), Windows 8.1, Windows 10 Anniversary Update (Version 1607), Windows Server 2016, Windows Server 2008 R2 SP1, Windows Server 2012, and Windows Server 2012 R2.

Microsoft Defender Antivirus is a powerful tool that finds and removes malware from your PC. Here's how to use it in Windows 10 or 11 to scan your PC. Important: Before you use Microsoft Defender Offline, make sure to save any open files and close apps and programs. Open your Windows Security settings.

Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality. On Windows consumer devices, this update helps remediate smooth functioning of Windows Update.

To obtain version 7.4.7600.226 of the Windows Update Agent, click one of the following links as appropriate for the operating system: x86-based versions of Windows Download the WindowsUpdateAgent30-x86.exe package now. x64-based versions of Windows Download the WindowsUpdateAgent30-x64.exe package now.