To make sure your device can successfully update and that it runs its best, Windows reserves a portion of storage space on your device for use by temporary files, caches, and other files.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

If you turn on the Microsoft account setting for Cloud content search, Windows Search will show results from items in your personal OneDrive, Outlook, and other Microsoft services.If you search the web or get web search suggestions with Windows Search, Bing will personalize your results. You can also earn Microsoft Rewards points when you search with Bing in the Windows search box.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Creative professionals and enthusiasts care about fully calibrated, accurate colors because it helps to make sure colors remain consistent from the beginning to the end of their projects.

Data Execution Prevention (DEP) is a technology built into Windows that helps protect you from malicious code launching from areas of memory that have been designated as for data only.

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

Under Personalization & advertising, turn on or off the setting for Allow Microsoft to save your browsing activity including history, usage, favorites, web content, and other browsing data to personalize Microsoft Edge and Microsoft services like ads, search, shopping and news.

Windows 10 updates provide the latest features and security improvements to help keep your PC more current and more secure. Before the installation process starts, Windows checks to make sure there’s enough storage space on your device for the installation process and for these new features and security improvements.

Windows 10, version 21H2 update history; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651) June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529)