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.

sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...

If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

デスクトップ アイコンのサイズを変更するには、デスクトップを右クリック (または長押し) し、[ 表示] をポイントして、[ 大きいアイコン]、[ 中] アイコン、または [小さい] アイコンを選択します。

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

Important: If you turn on two-step verification, you will always need two forms of identification.This means that if you forget your password, you need two contact methods. Or if you lose your contact method, your password alone won't get you back into your account—and it can take you 30 days to regain access.

To speed up the process of selecting a choice when a dialog box appears, under Snap To, select the Automatically move pointer to the default button in a dialog box check box.(Not all programs support this setting. In some programs, you'll need to move the mouse pointer to the button you want to click.)

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

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.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.