Troubleshoot network connection errors | Xbox Support
Find solutions for errors when you run the Xbox connection test.
Create installation media for Windows - Microsoft Support
Go to the Download Windows 11 site.. Under Create Windows 11 Installation Media, select Download Now.The MediaCreationTool.exe tool is downloaded.. Run MediaCreationTool.exe.The media creation tool walks through creating installation media.
How to use the PC Health Check app - Microsoft Support
Note: If a compatibility issue has been identified on your device that would disrupt your experience using Windows 11, we will temporarily delay your upgrade until the issue is resolved.Compatibility safeguard holds help ensure you have the best experience possible when upgrading and your productivity is not disrupted if critical apps or drivers are not yet compatible.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 - Microsoft 支持
下面是如何分别构造 AND、OR 和 NOT 函数的概述。 当将它们分别与 IF 语句组合使用时,应按如下方式表达: AND – =IF(AND(Something is True, Something else is True), Value if True, Value if False). OR – =IF(OR(Something is True, Something else is True), Value if True, Value if False). NOT – =IF(NOT(Something is True), Value if True, Value if False)
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
Find your Windows product key - Microsoft Support
A Windows product key is a 25-character code used to activate Windows. It looks like this: PRODUCT KEY: XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. Locate your product key for Windows 10 or Windows 11
Applies To:
Microsoft account dashboard
Customer service phone numbers - Microsoft Support
Home Users If you need help downloading, installing, or activating Windows or Office, need technical support or have any account & billing related questions, select the Get help button below.Describe your problem, and we'll provide self-help or connect you to the most appropriate support, which may include chat or request a call — we’ll call you, so you don’t have to wait.
Windows 11 and Secure Boot - Microsoft Support
Note: This article is intended for users who are not able to upgrade to Windows 11 because their PC is not currently Secure Boot capable. If you are unfamiliar with this level of technical detail, we recommend that you consult your PC manufacturer’s support information for more instructions specific to your device.