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Change or update your email password - Microsoft Support
Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers.
Applies To: Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, New Outlook for Windows
Change your desktop background image - Microsoft Support
Use the Windows Settings app to change your desktop backgrounds and colors.
Hotmail - Microsoft
Hotmail が Outlook.com になりました。 サインインして、Outlook.com、Hotmail、Live、または MSN メール アカウントにアクセスする方法について説明します。
Applies To: Outlook.com
Microsoft account security info & verification codes
Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.
Applies To: Microsoft account dashboard
Change default programs in Windows - Microsoft Support
Use Settings in Windows 10 to change default apps and programs.
Change screen brightness in Windows - Microsoft Support
Get steps for how to change screen brightness in Windows.
Using the new Bing on the Windows taskbar - Microsoft Support
The new Bing is now available to everybody directly from the Windows taskbar, making more ways to interact with your PC across search, answers, chat, and creation available anytime, right on your desktop.
Where to enter your Office product key - Microsoft Support
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.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
Install and use a scanner in Windows 10 - Microsoft Support
Learn how to install a scanner and use it to scan pictures and documents in Windows 10.
Open and run DxDiag.exe - Microsoft Support
Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.