开始之前. 在开始对设备的蓝牙进行故障排除之前，请先检查以下事项： 检查产品信息. 如果设置的是新设备，并且缺少蓝牙，请检查产品规格以确保其具有蓝牙功能。

Windows 10 Windows 10, version 1607, all editions Windows Server 2016, all editions Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 Windows 10 IoT Core LTSC Windows Server 2019 Windows 10 Enterprise and Education, version 21H2 Windows 10 IoT Enterprise, version 21H2 Windows 10 Enterprise Multi-Session, version 21H2 Windows 10, version 22H2, all editions Windows 11 version 21H2, all editions ...

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

This isn't the date you'll set, it's just a sample of how the format will look. Note that in versions prior to Excel 2016, this format might have a different sample date like 3/14/01 1:30 PM. 3. Subtract the two. In another cell, subtract the start date/time from the end date/time. The result will probably look like a number and decimal.

If you're using a Microsoft Exchange, Microsoft 365, or Outlook.com account, your email messages are backed up on your email server. In most cases, you won't have a Personal Folders file (.pst) for these types of accounts. In order to view some of the backup files for Outlook, you'll need to unhide system folders and file name extensions.

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Ask Copilot about specific files and messages, or about info you can't recall where it's stored. Try this prompt: "Summarize emails where I was mentioned recently. Make it detailed, highlighting the sender and categorizing by the topic of the email." Improvements based on your feedback.

Windows devices may get new functionality at different times as Microsoft delivers non-security updates, fixes, improvements, and enhancements via several servicing technologies—including controlled feature rollout (CFR).. Windows will let you know if you need to restart your device to complete an update, and you can choose a time that works best for you to complete that update.

To launch the game, select Play.You can always launch the game from the product page, but there's an easier way: pin it. With the game open, right-click (or press and hold) the game button on your task bar and select Pin to taskbar .When you close the game, the button will stay there.

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.