This update allows Windows desktop applications that depend on the Windows 10 Universal CRT release to run on earlier Windows operating systems. Microsoft Visual Studio 2015 creates a dependency on the Universal CRT when applications are built by using the Windows 10 Software Development Kit (SDK).

Resolves a vulnerability in Windows Explorer that could allow remote code execution if a user visited a specially crafted webpage.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

Microsoft Windows Server Virtual Machine Images. Windows Server is the operating system that bridges on-premises environments with Azure services enabling hybrid scenarios and maximizing existing investments, including: Unique hybrid capabilities with Azure to extend your datacenter and maximize investments.

Summary. This security update resolves vulnerabilities in Microsoft Office that could allow remote code execution if a user opens a specially crafted Office file.

Fixes an issue in which recycled files are deleted permanently if you delete files from a DFS link in a network environment on a client computer that is running Windows 7 or Windows Server 2008 R2 after you redirect the Recycle Bin to the DFS link.

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.

When installing Windows 11, the digital license associates itself with your device's hardware. If you make significant hardware changes on your device, such as replacing your motherboard, Windows will no longer find a license that matches your device, and you’ll need to reactivate Windows to get it up and running.

For issues that are not covered on this page, we have multiple tools to help you automatically diagnose and fix a range of classic Outlook problems. Check out this article: Resolve Outlook for Windows issues with automated troubleshooting tools. Outlook Known issues in October 2024 updates.

To install either the 32 or 64-bit version of Microsoft 365, Office 2021, or Office 2019, follow the steps in Install Office on a PC. Important: If you install the 64-bit version, but want the 32-bit version instead, you must first uninstall the 64-bit version before installing the 32-bit version.