The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Need more help? If you can't find an app or program, try the tips in See all your apps in Windows 10 and Program is not listed in add/remove programs after installation. If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter.

If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Download and install or reinstall Office 2019, Office 2016, or Office 2013 - Microsoft Support. Office 2019 Office 2016 Office 2016 for Mac Office 2013. If this is the first time you're installing Microsoft 365 you may have some setup steps to do first. Expand the learn more section below.

Go to https://account.microsoft.com/devices/recoverykey to find your recovery key. Tip: You can sign into your Microsoft account on any device with internet access, such as a smartphone. It should look something like this:

Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.

Once you verify you have a license, anytime you need to install or reinstall Microsoft 365 you can go straight to the section below, Sign in to download Office and select the tab for steps to install on a PC or Mac. You'll sign in with your work or school account for these versions of Microsoft 365. *If you don't have a product key or an account.

Get the steps for creating a local user or administrator account in Windows 10 and Windows 11.

With passkeys, you can use Windows Hello to sign in with a PIN, facial recognition, or fingerprint, making the authentication process faster and more convenient than ever before. And if you're on the go, you can even use your phone or tablet to sign in by scanning a QR code or via Bluetooth! Passkeys compared to passwords.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.