Product activation for Windows – online & support telephone numbers
To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.
KB4023057: Update Health Tools—Windows Update Service components
Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.
Mettez à jour Windows - Support Microsoft
Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.
Troubleshooting black or blank screens in Windows
For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.
Edit photos and videos in Windows - Microsoft Support
Blur. Select the Blur option, then use the slider to adjust the Blur intensity, then select Apply to blur the background.. Remove. Select the Remove option, then select Apply to remove the image background.. Replace. Select the Replace option, then use the color palette to select the background color. Alternatively, you can specify the RGB values for the desired color.
What is HDR in Windows 11? - Microsoft Support
HDR content on Windows offers better brightness and color capabilities compared to traditional content (sometimes called standard dynamic range [SDR] content).
Find the settings/tools/internet options in Microsoft Edge
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CONCATENATE function - Microsoft Support
Important: In Excel 2016, Excel Mobile, and Excel for the web, this function has been replaced with the CONCAT function.Although the CONCATENATE function is still available for backward compatibility, you should consider using CONCAT from now on. This is because CONCATENATE may not be available in future versions of Excel.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Learn about Microsoft Rewards - Microsoft Support
To start enjoying Microsoft Rewards, you just need a Microsoft account.It connects you to all things Microsoft with one simple logon. Sign up now by going to Microsoft Rewards.Select Sign up for free and follow the steps to create a Microsoft account.. If you already have a Microsoft account, great!
Applies To: Microsoft account dashboard
Create a password reset disk for a local account in Windows
Select Create a password reset disk, and follow the remaining instructions