You can use a simple formula to sum numbers in a range (a group of cells), but the SUM function is easier to use when you’re working with more than a few numbers. For example =SUM (A2:A6) is less likely to have typing errors than =A2+A3+A4+A5+A6.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options. Choose the language and bit version you want, and then select Install.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC. Note that you’ll need a device that supports Miracast. Here’s how to mirror another screen or project to your PC. Windows 11 Windows 10.

Earn points toward rewards by doing the stuff you do every day. It’s easy and it’s free. All you need to do is sign up, and Microsoft Rewards will be included in your Microsoft account: Microsoft Rewards. Once you’ve signed up, sign in to your Microsoft account to see your current points.

How to open Game Bar. Press Windows logo key + G to open Game Bar over your game, app, or desktop. All your favorite things in one place. When you open Game Bar, a variety of Xbox gaming activities are at your fingertips. Select a feature from the Widget Menu and it’ll pop up as a widget.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: Windows 11 Windows 10. 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6.

在开始之前，请确保电脑或 Mac 满足 系统要求 。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office 。. 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行 ...

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.