If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。

Learn how to get Windows Media Player 12 for Windows 10, Windows 8.1, and Windows 7.

Hotmail is nu Outlook.com. Meer informatie over hoe u zich aanmeldt voor toegang tot uw Outlook.com-, Hotmail-, Live- of MSN-e-mailaccount.

Learn how to find which version of Windows operating system your PC is running and device specifications.

Configure cameras In Camera settings, you can set default settings for each camera. The settings are stored for each camera and each user account—they don't synchronize between multiple Windows devices.

To download the offline installer for Internet Explorer 11, choose your language and system below.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.