How to back up and restore the registry in Windows
Explains how to back up the registry for restoration in case it gets corrupted in Windows 10, Windows 8.1, Windows 8, or Windows 7.
Description of the Windows Registry Checker Tool (Scanreg.exe)
Summary When you start your computer successfully, the Windows Registry Checker tool (Scanreg.exe) creates a backup of system …
Registry key updates for Secure Boot: Windows devices with IT …
Nov 11, 2025 · How these keys work together IT admins configure the AvailableUpdates registry value to 0x5944, which signals …
Microsoft Support
Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, …
How to manage Kerberos KDC usage of RC4 for service account ticket ...
Jan 13, 2026 · How to manage Kerberos KDC usage of RC4 for service account ticket issuance changes related to CVE-2026-20833
REGEXEXTRACT Function | Microsoft Support
The REGEXEXTRACT function allows you to extract text from a string based on a supplied regular expression. You can extract the …
IT admin guide: Secure Boot certificate update status in the Windows ...
Starting in April 2026, the Windows Security app displays additional information about the status of Secure Boot certificate updates …
What does it mean if Windows isn't supported? | Microsoft Support
To check the end-of-support dates for all versions of Windows, see the product lifecycle information for Windows. If your version of …
How to troubleshoot problems that occur when you start or use Word
Name the file "Wddata.reg", and then save the file to the desktop. Click Edit > Delete, then click Yes. Exit the Registry Editor and …
System configuration tools in Windows | Microsoft Support
Summary Windows provides a variety of configuration tools tailored to meet the needs of different users. These built-in tools facilitate …
Where to enter your Office product key | Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below …