5008:東亜石油

All Products – support.microsoft.com
Find out how to get support for Microsoft apps and services.

Contact Us – Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Ways to install Windows 11 – Microsoft Support
Learn how to install Windows 11, including the recommended option of using the Windows Update page in Settings.

Download and install or reinstall Office 2021, Office 2019, or Office …
Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Download, install, or reinstall Microsoft 365 or Office 2024 on a PC or …
Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

Reset your PC – Microsoft Support
Learn about the different reset options in Windows and how to reset your device.

How to sign in to a Microsoft account
Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

Upgrade to Windows 11: FAQ – Microsoft Support
This FAQ is intended to answer questions about upgrading a Windows device to Windows 11 from previous versions of Windows such as Windows 10. To show an answer and more information for any of the foll …