Defragment / optimize your data drives in Windows
Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.
How to install the latest version of DirectX - Microsoft Support
How to install or update DirectX on Windows 11 or 10 How to install or update DirectX on Windows 8.1 or 8 Swipe in from the right edge of the screen, and then tap Search. Type dxdiag in the search box. Or, just type dxdiag from Start.
Codecs in Media Player - Microsoft Support
Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.
Set up the Xbox Wireless Adapter for Windows | Xbox Support
Find out how to set up and use the Xbox Wireless Adapter for Windows, including how to connect the adapter to your Windows device and pair your controller to the adapter.
Fix printer connection and printing problems in Windows
Run the Windows printer troubleshooter If you are using a Windows 11 device, start by running the automated printer troubleshooter in the Get Help app. It will automatically run diagnostics and attempt to fix most printer problems. If you are using an older version of Windows or a mobile device, please skip to Most common printer problems section.
October 14, 2025—KB5066791 (OS Builds 19044.6456 and 19045.6456 ...
For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 22H2, see its update history page. Note Follow @WindowsUpdate to find out when new content is published to the Windows release health dashboard.
Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows.
Fix graphics device problems with error code 43 - Microsoft Support
Update the device driver Driver updates for Windows 10 and many devices (such as network adapters, monitors, printers, and video cards) are automatically downloaded and installed through Windows Update. Though it's likely you already have the most recent driver, if you're having trouble with a device, you can try fixing it by updating the driver.
Fix missing or undetected audio output device in Windows - Microsoft ...
If the audio driver is missing or incompatible, install the latest version from the device manufacturer. Go to the PC or sound card manufacturer’s support website. Download the latest audio driver for your Windows version.
Install or reinstall OneNote for Windows - Microsoft Support
This article describes how to download and reinstall Microsoft OneNote 2016 for Windows if the app was inadvertently uninstalled from your PC.
Applies To:
OneNote for Microsoft 365, OneNote 2016