SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

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.

For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.

Change or reset your PIN. A PIN is a user-defined set of numbers, or a combination of numbers and letters, that allows you to sign in to your Windows device instead of a password. Your PIN is securely stored on your device, it isn’t transmitted anywhere, and it isn’t stored on a server.

You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.

TPM 2.0 is used in Windows 11 for a number of features, including Windows Hello for identity protection and BitLocker for data protection. In some cases, PCs that are capable of running TPM 2.0 are not set up to do so. If you are considering upgrading to Windows 11, check to ensure TPM 2.0 is enabled on your device.

Plug-ins or add-ons add functionality—such as audio effects or DVD capability—to Windows Media Player. You can download plug-ins or add-ons for your version of the Player using the links below.

Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.

Outlook add-ins provide solutions to help you better interact with Outlook and complete tasks on your messages and appointments without leaving Outlook. Some add-ins are installed by your email administrator, but you can install other ones from the Office Store. Select a tab option below for the version of Outlook you're using.