将 Windows 家庭版升级到 Windows 专业版 - Microsoft 支持
若要手动从Windows 11 家庭版升级到Windows 11 专业版，请先检查运行的版本和激活状态：. 选择“ 开始 ”>“ 设置 ”>“ 系统 ”>“ 激活 ”。. 在“ 激活 ”页面顶部，可以看到你的版本：家庭版或专业版。. 你还将在“ 激活状态 ”下看到是否已激活。. 打开激活 ...
お問い合わせ - Microsoft サポート
サポートが必要な製品を選択してください. 最初にセルフヘルプ オプションを紹介します。. 必要に応じて、Microsoft スペシャリストとのライブ チャットなど、追加のヘルプを利用できます。. Microsoft 365. Office. Windows. Xbox. Surface デバイス. Copilot.
How to install programs from a disc on Windows 10
If installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation.
安装 Microsoft Defender - Microsoft 支持
通过安装 Microsoft Defender，保护 Android、iPhone、Mac 和 Windows 设备免受威胁。. 通过以下方式在设备上下载Microsoft Defender：. 扫描以下 QR 码. 在应用商店中搜索Microsoft Defender. 与设备共享，链接如下： 复制链接. 我们建议在每人至少五台设备上安装Microsoft Defender ...
Applies To:
Microsoft Defender on Android, Microsoft Defender on iOS, Microsoft Defender on Mac, Microsoft Defender on Windows
Cancel your Microsoft subscription - Microsoft Support
For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to cancel your Microsoft subscriptions such as Microsoft 365, Copilot Pro and Xbox. Troubleshoot issues if you can't cancel your subscription.
Applies To:
Microsoft account dashboard
Guidelines and examples of array formulas - Microsoft Support
An array formula is a formula that can perform multiple calculations on one or more items in an array. You can think of an array as a row or column of values, or a combination of rows and columns of values. Array formulas can return either multiple results, or a single result. Beginning with the September 2018 update for Microsoft 365, any ...
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for iPad, Excel for iPhone
Global Customer Service phone numbers - Microsoft Support
Country/Region. Country/Region code. Phone number. Language. Australia. N/A. 13 20 58. English. New Zealand. N/A +64. 0800 800 004 9 368 5680. English
Common problems with two-step verification for a work or school account ...
If you are experiencing this error, you can try another method, such as Authenticator App or verification code, or reach out to your admin for support. Restart your mobile device. Sometimes your device just needs a refresh. When you restart your device, all background processes and services are ended.
オフライン作業からオンライン作業に切り替える - Microsoft サポート
オフライン アクセスのオンとオフを切り替える. 新しい Outlook for Windows では、既定でオフラインが有効になっています。. オフまたはオンにするには、次の操作を行います。. [ 設定] > [ 全般 ]> [オフライン] を選択します 。. [ オフライン メール、予定表 ...
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
安装 Windows 7 Service Pack 1 (SP1) - Microsoft 支持
安装 Windows 7 Service Pack 1 (SP1) Windows 7 支持已于 2020 年 1 月 14 日结束。. 我们建议你转到 Windows 11 电脑来继续从 Microsoft 接收安全更新。. 获取 SP1的推荐（并且最简单）方法是在“控制面板”中的“Windows 更新”中打开自动更新，然后等待 Windows 7 通知你 SP1 已准备 ...