Solver is a Microsoft Excel add-in program you can use for what-if analysis. Use Solver to find an optimal (maximum or minimum) value for a formula in one cell — called the objective cell — subject to constraints, or limits, on the values of other formula cells on a worksheet. Solver works with a group of cells, called decision variables or ...

Windows 10. In the search box on the taskbar, type Create a restore point, and select it from the list of results. On the System Protection tab in System Properties, select Create. Type a description for the restore point, and then select Create.

You can find efficiency settings in Windows 11 at Settings > System > Power & battery . For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app: Guided walkthrough in Get Help.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Windows 11 is designed to bring you closer to what you love and is releasing at a time when the PC is playing an even more central role in the way we connect, create and play. When we made the decision on where to set the minimum system requirements for Window 11, we focused on three principles to guide our thinking to help ensure a great user experience:

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Help to decide whether you should install the 32-bit Office version or the 64-bit Office version. Which version is right for you depends on how you plan to use Office. Find out about choosing between 32-bit Office and 64-bit Office.

You can quickly change the appearance of the message list and reading pane in Outlook so it looks and behaves the way you want.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.