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Camera doesn't work in Windows - Microsoft Support
If that doesn't work, or your camera is built in on your device, try this: Select Start , type device manager, then select it from the search results. Find your camera under Cameras, Imaging devices , or Sound, video and game controllers. If you can't find your camera, select the Action menu, then select Scan for hardware changes.
使用 Surface BitLocker Protector Check 工具修正 BitLocker 設定
以下是使用 Surface BitLocker Protector Check 工具的方式:. 下載並安裝工具 。. 在工作列的搜尋方塊中輸入 Surface BitLocker Protector Check ,然後從清單中選取它,以便開啟工具。. 根據您看到的訊息,採取下列其中一個動作。. "This device’s BitLocker settings do not require any ...
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
Request a refund for digital games | Xbox Support
Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date. Requests are for games in which you haven’t accumulated a significant amount of play time. Note As a limited exception, digital game products may be eligible for a refund within 30 days if you’re unsatisfied with ...
How to sign in to or out of Outlook.com - Microsoft Support
To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...
Applies To: Outlook.com
How to earn Microsoft Rewards points - Microsoft Support
Here are some of the ways you can earn Microsoft Rewards points: Search with Bing *. Search the web through the search box on the taskbar on your Windows 10/11 device. Buy stuff from Microsoft Store online (from your mobile device, on Xbox One, in the Microsoft Store app on your Windows 10/11 or Windows 8.1 device, or via the web). For more ...
Applies To: Microsoft account dashboard
Upgrade to Windows 11: FAQ - Microsoft Support
Upgrade to Windows 11: FAQ. An upgrade differs from an update in that it moves your PC from a previous version of Windows—such as Windows 10—to Windows 11. This FAQ is intended to answer questions about upgrading to Windows 11. An update ensures you have the most recent features and security improvements for your current version of Windows ...
VLOOKUP 函数 - Microsoft 支持
只要其中一个表具有与所有其他表共有的字段,就可以使用 VLOOKUP 将多个表合并为一个表。 如果需要与使用较旧版本的 Excel 的人共享工作簿,且旧版本不支持将多个表作为数据源的数据功能,这会特别有用 - 通过将源合并到一个表中并将数据功能的数据源更改为新表,则该数据功能可在较旧版本的 ...
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
桌面主题 - Microsoft 支持
获取主题. 若要获取主题,请展开以下类别之一,选择主题的链接,然后选择“ 打开 ”。. 这样会将主题保存在电脑中并应用于桌面。. 如果你愿意,还可以从 Microsoft Store 安装某些主题。. 从 Microsoft 获取免费的 Windows 主题,以个性化设置电脑的背景、颜色和 ...
Microsoft .NET Framework 4.8 автономный установщик для Windows
Скачать автономный установщик Microsoft .NET Framework 4.8. Для Windows RT 8.1. Скачать пакет обновлений для Microsoft .NET Framework 4.8. Дополнительные сведения о загрузке файлов поддержки Майкрософт см . в разделе Как ...