Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

You can use any phone number that can receive text messages; it doesn’t need to be associated with your account. We won't use or give out the phone number, and the code sent to it will expire after 10 minutes.

The Skype for Business Basic client is designed to be used on systems that need only basic functionality. It provides instant messaging (IM), audio and video calls, online meetings, availability (presence) information, and sharing capabilities.

Here's how to customize what you see on the Start menu and taskbar: To see a list of your apps, select Start , then select the arrow next to All apps to expand that pane. Scroll through the alphabetical list.

How Microsoft Edge interacts with operating system permissions when sharing your location with a website. Windows can use information such as your IP address, nearby Wi-Fi access points, and GPS data, if available, to estimate your precise or imprecise location coordinates and pass this info to Microsoft Edge.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.