Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

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.

How to stay safe with a genuine Office license. Note: If you already bought genuine Office, but haven't installed it yet, make sure you Uninstall the counterfeit version of Office first. If you already installed genuine Office, uninstall both versions and then reinstall the genuine version.

Sign in to your Microsoft account, and see Shop & Earn History. Note that Microsoft Rewards points will expire if you don't earn or redeem anything in 18 months. Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.

If you're a small business owner. Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Help with a work or school account password. I need to talk to a customer support agent. Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

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.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Find Teams on the web at https://teams.microsoft.com. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan.