Learn how to activate Office pre-installed on new Windows 10 PCs or with a new product key.

Select Start , then select Settings > Personalization > Themes.Choose from a default theme or select Get more themes in Microsoft Store if you want to download new themes with desktop backgrounds that feature cute critters, breathtaking landscapes, and other smile-inducing options.

An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

If you've recently installed a Windows update and you are having a problem, here's how to uninstall the update to try to resolve the issue: Select the Start button, then select Settings > Update & Security > Windows Update > View update history > Uninstall updates. View update history settings

Next to Make Microsoft Edge your default browser, select Set default.

If a language is listed under Preferred languages but doesn't appear on the Windows display language list, you'll first need to install its language pack (if it's available).. Select Start > Settings > Time & language > Language & region.

Learn how to change settings to enable Secure Boot if you are not able to upgrade to Windows 11 because your PC is not currently Secure Boot capable.

The FILTER function allows you to filter a range of data based on criteria you define.

Symptoms. When the operating system is in high-DPI mode, applications that use the Microsoft Foundation Classes (MFC) library of Microsoft Visual C++ 2013 may behave incorrectly.

Dark Mode in Word offers a dark color scheme for both the menu controls and the document background. Dark Mode can help to reduce eye strain and also provides a more modern feel to Word.