Change the refresh rate on your monitor in Windows
Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.
Reactivating Windows after a hardware change - Microsoft Support
In Windows 11, it is essential that you link your Microsoft account with the Windows 11 digital license on your device. Linking your Microsoft account with your digital license allows you to reactivate Windows using the Activation troubleshooter whenever you make a significant hardware change.
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.
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Get help with Windows activation errors - Microsoft Support
Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.
How Bing delivers search results - Microsoft Support
Last updated: November 2024. For previous versions, please see the archives here. Our Approach to Search. We recognize that in our technology-driven world, search engines are in many ways the gateway to the internet and the primary way people find the content they are looking for amongst the trillions of ever-changing webpages available online.
VLOOKUP function - Microsoft Support
Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
Microsoft account security info & verification codes
Notes: You can add up to 10 different ways to verify sign-in, choosing from: An email address or phone number. It doesn't have to be yours - you just need to be able to access it if you want to use it to verify your account.
Applies To:
Microsoft account dashboard
Troubleshoot Outlook email setup - Microsoft Support
If you try to add an IMAP account to Outlook, for example a Gmail account, Apple account, Yahoo account, or an account from your local ISP, and you're not prompted to enter your password, use the following steps to work around the problem.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin