An upgrade can take place on your existing device, though Microsoft recommends using Windows 10 on a new PC to take advantage of the latest features and security improvements. This FAQ is intended to answer questions about upgrading to Windows 10. An update ensures you have the most recent features and security improvements for your current ...

Select a blank cell that doesn't have this problem, type the number 1 into it, and then press Enter. Press Ctrl + C to copy the cell. Select the cells that have numbers stored as text. On the Home tab, select Paste > Paste Special. Select Multiply, and then click OK. Excel multiplies each cell by 1, and in doing so, converts the text to numbers.

Sign in to the Advanced security options page of your Microsoft Account. Select Add a new way to sign in or verify then choose how you would like to receive security codes. Note: VOIP numbers cannot be added as a way to sign in or get verification codes. We'll send a security code to the new number or email to confirm.

To play a CD or DVD. Insert the disc you want to play into the drive. Typically, the disc will start playing automatically. If it doesn't play, or if you want to play a disc that is already inserted, open Windows Media Player, and then, in the Player Library, select the disc name in the navigation pane. If you inserted a DVD, select a DVD title ...

To open a PDF file without converting it to a Word document, open the file directly wherever it's stored (for example, double-click the PDF file in your Documents folder). However, if you want to edit the PDF file, go ahead and open it in Word. Word makes a copy of the PDF, converting it to a Word document and attempting to match layout of the ...

The first step is to specify the location of the numbers: =SUMIFS (D2:D11, In other words, you want the formula to sum numbers in that column if they meet the conditions. That cell range is the first argument in this formula—the first piece of data that the function requires as input. Next, you want to find data that meets two conditions, so ...

若要检查更新，请选择“ 开始 > 设置 > Windows 更新 ”，然后选择“ 检查更新 ”。. 如果有可用的更新，可以选择安装它们。. 检查更新. 如果在更新设备时遇到问题（包括以前的主要更新出现问题），请参阅 排查更新 Windows 问题 中的常见修补程序。. 如果Windows ...

The tips are listed in order, so start with the first one, see if that helps, and then continue to the next one if it doesn’t. 1. Make sure you have the latest updates for Windows and device drivers. 2. Restart your PC and open only the apps you need. 3. Use ReadyBoost to help improve performance. 4. Make sure the system is managing the page ...

Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

To activate Windows 11 using an internet connection: As Windows 11 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > System > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows.. To activate Windows 11 by phone: