When prompted, enter the product key. You can find the product key on the sticker on the CD case or other packaging. If you need help, see Find your Product Key for Office 2007.

Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.

Energy saver automatically manages system processes and power usage for an optimal balance of PC performance and longer battery life. Select Start > Settings > System > Power & battery .If you want energy saver to turn on whenever the battery falls below a certain level, select Energy saver to expand options, then next to Turn energy saver on when battery level is at, select the battery level ...

To pin apps to the taskbar. Select Start , select the arrow next to All apps, right-click the app, then select More > Pin to taskbar.

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.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Keystroke. What it does. Windows logo key + R Opens the Run command. Windows logo key + S Opens Search. Windows logo key + E Opens File Explorer. Alt + Tab. Opens Task Switcher, moving forward with each press of Tab, switching to that window on release

Most software that you buy directly from Microsoft, like Office, Windows, and Xbox games, comes as a digital download that you can download, install, or reinstall.

Click an empty cell. For example, cell A1 on a new sheet. Cells are referenced by their location in the row and column on the sheet, so cell A1 is in the first row of column A.

In the search box on the taskbar, type Manage BitLocker and then select it from the list of results. Or, select the Start button, and then under Windows System, select Control Panel.In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device.