Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To:
Microsoft account dashboard
Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
KB5015684: Featured update to Windows 10, version 22H2 by using an ...
Summary. Windows 10, versions 2004, 20H2, 21H1, 21H2, and 22H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 10, version 22H2 are included in the latest monthly quality update for Windows 10, version 2004, 20H2, 21H1, and 21H2 but are in an inactive and dormant state.
Multiply and divide numbers in Excel - Microsoft Support
Multiply numbers in different cells by using a formula. You can use the PRODUCT function to multiply numbers, cells, and ranges.. You can use any combination of up to 255 numbers or cell references in the PRODUCT function. For example, the formula =PRODUCT(A2,A4:A15,12,E3:E5,150,G4,H4:J6) multiplies two single cells (A2 and G4), two numbers (12 and 150), and three ranges (A4:A15, E3:E5, and H4 ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
March 12, 2024—KB5035857 (OS Build 20348.2340)
March 12, 2024—KB5035857 (OS Build 20348.2340) IMPORTANT If you plan to install this update on a domain controller (DC), we highly recommend that you install KB5037422 instead (March 22, 2024). This out-of-band update addresses a known issue that affects the Local Security Authority Subsystem Service (LSASS). It might leak memory on DCs.
Touch gestures for Windows - Microsoft Support
Tap touchpad. Scroll. Place two fingers on the touchpad and slide horizontally or vertically. Zoom in or out. Place two fingers on the touchpad and pinch in or stretch out. Show more commands (like right-clicking) Tap the touchpad with two fingers or press down in the lower-right corner. Show all open windows.
安装 Visio 或访问 Visio 网页版 - Microsoft 支持
在 account.microsoft.com 门户中，从标头中选择“ 服务和订阅 ”。. 找到想要安装的 Visio 版本并选择“ 安装 ”。. 如果你拥有多款 Microsoft 365 产品，则可能需要滚动与此 Microsoft 帐户关联的产品列表。. 提示: 若要安装其他语言的 Visio 或安装 64 位 版本，请选择 ...
Applies To:
Visio Plan 2, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Office.com
如何使用电脑健康状况检查应用 - Microsoft 支持
如何打开电脑健康状况检查. 在 Windows 中，使用任务栏上的“搜索”来搜索“电脑健康状况检查”，然后从结果列表中选择它。. 如果电脑健康状况检查更新可用，则可以快速安装最新版本。. 如果未安装电脑运行状况检查，可以通过转到 https://aka.ms ...
如何在 Windows 中切换用户 (帐户) - Microsoft 支持
如何在 Windows 中切换用户 (帐户) Windows 11 Windows 10. Windows 11 Windows 10. 选择“ 开始 ”，选择并按住 (，或右键单击) 帐户名称图标 (或图片) ，然后选择“ 切换用户 ”。. 订阅 RSS 源. 发现. 了解如何在 Windows 中的不同用户 (帐户) 之间切换。.