Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.
Set apps to run automatically when you start your device
Note: If you see the icon next to the On/Off toggle for an app, you can select it to see the registry location that contains the path for the app. Apps installed through Microsoft Store (.MSIX apps) don’t have these icons. If you select the icon for these apps, File Explorer opens and highlights the executable file.
What is: Multifactor Authentication - Microsoft Support
How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!
Sign-in options in Windows - Microsoft Support
The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.
Troubleshoot external monitor connections in Windows 10
Troubleshoot issues that occur when setting up external monitors. If you are trying to set up an external monitor and it’s not working, press the Windows logo key + P to make sure that the Extend option is selected. If the Extend option is selected, try the following troubleshooting tips.
Repair apps and programs in Windows - Microsoft Support
Repair programs in Control Panel. Select the Advanced options link under the name of the app (some apps don't have this option). On the page that opens, select Repair if it's available.If it isn't available or doesn't fix the problem, select Reset.
Troubleshoot problems with Microsoft Authenticator
Tips: If you're using mobile data, try switching to Wi-Fi and vice-versa. Make sure Airplane mode is off.
Unblock my Outlook.com account - Microsoft Support
Notes: You don't need a smartphone to receive a security code. Text messages may come from either "MSFT", a short number, or a mobile number.If you have requested a security code, you can trust the message that arrives.
Applies To: Outlook.com
Change or update email account settings in Outlook for Windows
Sometimes you need to make a change to your email account settings. If you have a new password, if your email provider has asked you to change settings, or if you're having problems with sending and receiving email, you can change your email account settings through Mail in the Windows Control Panel, or from Outlook.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Change your two-step verification method and settings
After you set up your security verification methods for your work or school account, you can update the related details. Using the Security info page