How to use the PC Health Check app - Microsoft Support
How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version. If you don't have PC Health Check installed, you can install it by going to https://aka.ms ...
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
Check or change language settings - Microsoft Support
Check or change language settings. Windows 11 Windows 10 Outlook.com Microsoft Edge More... Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings. Some account language settings are roamed across the Microsoft experience.
Applies To:
Outlook.com, Microsoft Edge, OneDrive (home or personal)
Call of Duty（使命召唤） | Xbox Support
了解 Xbox X|S、Xbox One、Xbox 360 和 Windows 10 上的 Call of Duty（使命召唤）、如何购买该游戏以及从哪里可获取疑难解答帮助。
使用 Microsoft Rewards 赢得积分 | Xbox Support
通过将 Microsoft Rewards 应用下载到 Xbox 主机，在玩游戏或购物时关注积分并赢得积分：. 按“Xbox”按钮 打开指南，然后转到“Microsoft Store”。. 选择“搜索”，然后在搜索框中输入“Microsoft Rewards”。. 从结果中选择 Microsoft Rewards 应用，然后将其下载到主机。. 还 ...
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
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.
Track my Microsoft Rewards orders - Microsoft Support
If you want to track your Microsoft Rewards order after you redeem an award, sign in to the Rewards page with your Microsoft account, select Redeem and then select Order history. On the Order history page, find your order and then look under Status. Open Rewards dashboard. You can also track your order in the confirmation email that was sent to ...
基于条件对数字或日期进行计数 - Microsoft 支持
若要计算满足单个条件 (（例如等于、大于、小于、大于或等于或小于或等于) ）的数字或日期，请使用 COUNTIF 函数。. 若要计算 (范围内的数字或日期（例如大于 9000 且同时小于 22500) ），可以使用 COUNTIFS 函数。. 或者，也可以使用 SUMPRODUCT。.
Applies To:
Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016, Excel 2013
Windows にサインインしていないときに PIN をリセットする - Microsoft サポート
サインインしたら、 PIN を忘れた > PIN ( Windows Hello ) > サインイン オプション >> アカウント 設定 >を開始 する] を選択し、指示に従います。. 注: デバイスへのアクセスに使用する PIN は、Microsoft アカウントのパスワードとは異なります。. Microsoft アカウント ...