Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.

Select Start then enter Microsoft Store. Select it to open the app. If Microsoft Store won't launch, get more info at Microsoft Store does not launch.

Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

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

Use an existing Microsoft account to get started, then add your new account later. Set up your PC using a local account, then learn how to Change from a local account to a Microsoft account.

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

Learn how to sign into your Microsoft account at Microsoft365.com for working online from anywhere and using Microsoft365 on the web with the desktop apps.

Find solutions to common problems, or get help from a support agent.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

Learn how to sign in to your Outlook or Hotmail mailbox using your Microsoft account.

Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.