Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by:

Find out how to install Windows 11 on your device, whether you need to use Windows Update, Cloud download, or Local reinstall. Get tips and troubleshooting help from Microsoft Support.

Learn how to recover files that have been lost, deleted, or accidentally changed.

To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store.

Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.

Antes de empezar, asegúrate de que el equipo Windows 11 admite Bluetooth. Para obtener más información sobre cómo comprobarlo, consulta Solucionar problemas de Bluetooth en Windows. Si necesitas ayuda para agregar un dispositivo sin funcionalidades de Bluetooth, consulta Agregar un dispositivo a un PC Windows.

Learn how to use the cloud-based clipboard in Windows, share clipboard items across your devices, and pin items to your clipboard menu.

Here’s how to learn more: Select Start > Settings > System > About . Open About settings Under Device specifications > System type , see if you're running a 32-bit or 64-bit version of Windows. Under Windows specifications, check which edition and version of Windows your device is running.

How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.

Learn how to open a shared mailbox in Outlook. Shared mailboxes let a group of users view and send email, and share a calender, and open a contact list from a common mailbox.