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.

From the Overview page, select Office apps and on that page, find the Microsoft 365 product you want to install and select Install. To install Microsoft 365 in a different language, or to install the 64-bit version, use the dropdown to find more options.

If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

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

Check the Xbox services, games, and apps for any service outages.

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Go to Review > Language > Set Proofing Language. Note: Languages in use in the document display at the top. Languages with downloaded proofing tools have a checkmark symbol. If you don't want Word, PowerPoint, or Outlook to mark errors in the selected text, select Do not check spelling or grammar.

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.

Overview. With Word on your PC, Mac, or mobile device, you can: Create and format your document with Themes. Review work with Track Changes. Polish your words with proofing tools like Editor. Save to OneDrive, to get your documents from your computer, tablet, or phone.

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.