Windows Update Troubleshooter - Microsoft Support
Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.
Find my downloads in Windows 10 - Microsoft Support
To find downloads on your PC: Select File Explorer from the taskbar, or press the Windows logo key + E.
How do I get started with Skype? - Microsoft Support
How do I get started with Skype? Select your device and start the download. Note : Skype for Windows 10 and 11 (version 15) is already installed on the latest version of Windows 10 and Windows 11.
Enable TPM 2.0 on your PC - Microsoft Support
How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.
Open Device Manager - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
在 Microsoft Edge 浏览器中使用 Microsoft Translator
如果在设置中打开以不同于首选语言编写的页面,Microsoft Edge 将自动提示你翻译它。 转到使用外语编写的网页时,“翻译”图标 显示在地址栏中。 如果某种语言不在“设置”的“首选语言”列表中,则将被视为外语。若要在列表中添加或删除语言,请在 Microsoft Edge 中,转到 “设置”等 > 设置 ...
Applies To:
Microsoft Edge
Устранение неисправностей Bluetooth-подключений в Windows
Узнайте, как устранить проблемы Bluetooth в Windows. Устраняйте проблемы с подключением Bluetooth-устройства или аксессуара.
Восстановление утерянных или удаленных файлов
Восстановление файла или папки в предыдущее состояние. Щелкните правой кнопкой мыши файл или папки и выберите Восстановить прежнюю версию. Вы увидите список доступных предыдущих версий файла или папки.
Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
Using IF with AND, OR, and NOT functions in Excel
Examples. Following are examples of some common nested IF(AND()), IF(OR()) and IF(NOT()) statements in Excel. The AND and OR functions can support up to 255 individual conditions, but it’s not good practice to use more than a few because complex, nested formulas can get very difficult to build, test and maintain.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel Web App, Excel for Windows Phone 10