Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.

If you receive a protected email message sent to the work or school account you use with Microsoft 365 in Outlook or Outlook on the web, the message should open like any other message. You'll see a banner at the top of the message that informs you of any restrictions on the message.

Virus & threat protection in Windows Security helps you scan for threats on your device. You can also run different types of scans, see the results of your previous virus and threat scans, and get the latest protection offered by Microsoft Defender Antivirus. Under Current threats you can:

Ask the community. Hardware warranty, services, and repair. Check warranty status. Adaptive accessories. Mobile devices. Surface for Business. Power cord recall. Choose from a variety of Surface devices and accessories to get help.

Explore the Microsoft Adaptive accessories. Microsoft Adaptive accessories were developed for people who have difficulty using a traditional mouse and keyboard. Create a setup unique to you with your choice of adaptive accessories and increase your PC productivity.

If your cloud storage and mailbox are not full, and you can't send or receive email, or can't connect to Outlook.com, check these common causes: If you can't send or receive email, check your account: update your password if it's been changed recently.

Do any of the following: Turn notifications, banners, and sounds on or off for some or all notification senders. To see all options, expand the notifications area. Turn tips and suggestions about Windows On or Off. Learn how to change app notifications, banners, and sound settings in Windows.

Level 2 members can earn five times more points on Bing.com, save up to 10% on rewards from Microsoft products and services, and get access to exclusive offers. Remember to check your Rewards page for current offers. Microsoft Rewards has two status tiers: Level 1 and Level 2.

Create or delete a custom theme color in PowerPoint. Set a default theme for your presentations in PowerPoint. Change a theme and make it the default in Outlook or Access. Apply the latest Office Theme (font and colors) to your Microsoft 365 applications.