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.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.

Troubleshooting network problems in Windows. If you can’t get email, browse the web, or stream music, chances are you’re not connected to your network and can’t get onto the internet. To fix the problem, here are some things you can try. Windows 11 Windows 10 Windows 8.1 Windows 7.

Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

Find your Office product key. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.

The Bluetooth icon is missing, or Bluetooth can't be turned on or off. Bluetooth doesn't work after a Windows update is installed. Bluetooth doesn't work after you upgrade to Windows 11 from Windows 10. Bluetooth doesn't appear in Device Manager, and there are no unknown devices listed.

Turn on your Bluetooth printer or scanner and make it discoverable. The way you make it discoverable depends on the device. Check the device or visit the manufacturer's website to learn how. Select Start > Settings > Bluetooth & devices > Printers & scanners > Add device.

The Microsoft Wireless Display Adapter is a strong, reliable way to project your content, photos, and videos to a big screen. Before you begin. Identify your wireless display adapter model. Check which devices are compatible with your adapter. Set up your adapter. Connect the adapter to your display. Connect to your adapter from your Windows PC.

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

While typing, use a light touch and keep your wrists straight. When you're not typing, relax your arms and hands. Take short breaks from computer use every 15 to 20 minutes. Learn how to use your computer keyboard and take advantage of convenient keyboard shortcuts.