Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!

Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

若要在 Windows 11 中检查激活状态，请选择“开始 ”按钮，然后选择“设置 > 系统 ” ，然后选择“激活 ”。 。 激活状态将在“激活”旁边列出。 在“设置”中检查激活状态. 你将在“激活”页面上看到以下一条激活状态消息：

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.

In the Windows emoji picker, you can either scroll through the list, use the category icons at the top or bottom of the emoji picker, or type a keyword to search for the emoji you want.

Select Add a new way to sign in or verify then choose how you would like to receive security codes.

How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.