Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.

Learn how to access Microsoft Store on Windows by selecting the icon on the taskbar or using the search box.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Windows Update downloads updates for Windows Security automatically to help keep your device safe and protect it from attacks.

Unlike Microsoft Word, Microsoft Excel doesn't have a Change Case button for changing capitalization. However, you can use the UPPER, LOWER, or PROPER functions to automatically change the case of existing text to uppercase, lowercase, or proper case. Functions are just built-in formulas that are designed to accomplish specific tasks—in this case, converting text case.

Use date and time functions to create formulas that return serial numbers, display a specific date or time, or that calculate the difference between dates or times.

Get steps for connecting a Miracast wireless display. If pressing the Connect button in the action center doesn't find your device, try the troubleshooting steps provided at Fix connections to Miracast wireless displays.

Sign out of your account and then sign in to your new account. If everything is fixed, move your personal data and files to the new account. To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC > OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts.

Ensure these modes create an alert that is visible on your device. Make sure you have a device signal and Internet connection. Make sure your phone calls and text messages are getting through to your mobile device.

Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi. You can share a Wi-Fi, Ethernet, or cellular data connection.