Get trusted apps and games from Microsoft Store
The Microsoft Store on Windows has thousands of apps and games, many of them are free to download and play. When you install an app from Microsoft Store, it will follow you to any device. Apps will also get updated automatically, so you always have the latest features. Here's how to download apps and games so you can get up and running right away.
Preparing the Windows ecosystem for next-generation code signing ...
PQC transition: Windows signing will transition to post-quantum signing in 2027. The evolving landscape of PQC and customer requirements place cryptographic agility front and center in this transition. Future signing might use new algorithms and hybrid signature constructions and might require rapid changes as we adjust to the post-quantum world.
Set up your Apple device for cloud gaming | Xbox Support
Quit a game when cloud gaming To quit a game from an iOS device, tap or click your screen to bring up the app controls, select the Xbox icon , then select Quit game.
Error 0x803F8001 occurs when you launch an XBOX game or app on console ...
Do you own this game or app? Verify that you have a valid subscription to access this content and are signed into an account with a valid subscription. If your subscription is valid, the game might have left the game pass catalog. Otherwise, verify you’re signed in with the account that purchased this game.
How to troubleshoot issues that you encounter when you sign in to ...
This article also contains resources for IT administrators to address reports about Active Directory Federation Services (AD FS) issues that are specific to Office for Apple iOS and Mac platforms. In this table, locate the issue that you've encountered, and then consider the corresponding recommendation.
Applies To:
Microsoft 365 admin
Sign in to your work or school account using two-step verification
What is a two-step verification? With two-step verification, you'll get a security code to your email, phone, or authenticator app every time you sign in on a device that isn't trusted. Need more help? If you have problems signing in with two-step verification, get more information at Having trouble with Two-factor Authentication.
Applies To:
Microsoft 365 for business
Actions in the Microsoft Copilot app for iOS
If you're currently signed in to the Microsoft Copilot app with an Intune-managed account, the Forms functionality outlined below will be unavailable. Consider signing in with a different account. While the Microsoft Copilot app currently supports signing in with phone number-based Microsoft accounts, Microsoft Forms does not.
Applies To:
Microsoft 365 Copilot app for iOS
Fix problems with apps from Microsoft Store
How can I fix problems with apps from Microsoft store? What if I can't get updates for apps and games? Show me how to turn on automatic app updates.
August 11, 2026—KB5120249 (OS Builds 19045.7663 and 19044.7663)
Windows 10, version 22H2 Windows 10, version 21H2 Applies to: Windows 10 ESU Important Use EKB KB5015684 to update to Windows 10, version 22H2. This security update includes fixes and quality improvements that are part of the following updates: July 14, 2026—KB5099539 (OS Builds 19045.7548 and 19044.7548) The following is a summary of the issues that this update addresses when you install ...
Download Microsoft Authenticator | Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.