Learn how to download and install Microsoft 365 or Office 2021 on your device, whether you have a Microsoft account, a work or school account, or a product key. Find out how to activate the apps, troubleshoot issues, and get support.

Learn how to activate Microsoft 365 or a non-subscription version of Office with a product key, a trial, or a subscription. Find troubleshooting tips for activation errors and guidance for different scenarios.

Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps for Windows 11 or Windows 10 to install the Wireless Display app and connect to a wireless display.

Learn how to manage your Microsoft subscription, including billing, renewal, and cancellation options.

Learn how to fix common problems with verification codes for Microsoft account sign-in. Find out how to use passwordless solutions, update security info, or contact support.

Learn how to view, change, or cancel your Xbox subscriptions on your console or online. Find out how to pay a past-due balance, turn on recurring billing, or get help with cancellations and refunds.

Learn how to download and install or reinstall Office 2019, Office 2016, or Office 2013 on your PC or Mac. Find out how to activate Microsoft 365, troubleshoot issues, and customize your installation options.

Learn how to download and install Microsoft 365 offline on a PC with a slow or unreliable internet connection. Follow the steps for your plan (Office for home or Office for business) and activate Office after installation.

Learn the difference between free web apps and paid Microsoft 365 subscriptions, and compare the benefits and prices of different plans. Find out how to buy, install, and use Microsoft 365 apps on your devices.

Learn how to access your Hotmail or Outlook.com email account with your Microsoft Account password. Find troubleshooting tips, service status, and contact information for Outlook.com help.