If installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation. Insert the disc into your PC, and then follow the instructions on your screen. You might be asked for an admin password.

If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter. If you're trying to remove malware, see Stay protected with Windows Security to find out how to run a scan.

How to install programs on Windows 10 from online sources, such as from the internet or the Microsoft Store app.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.

We recommend using OneDrive to quickly save your files in the cloud. You can then get to your files on your new PC and across all your devices, including your phone, tablet, and more. Your files will also be backed up and protected in the cloud, so they're accessible even if something happens to your PC.

Software manufacturers can create the setup of their products to use Windows Installer to help make software installation, maintenance, and uninstallation straightforward and easy. Windows Installer 4.5 is released with Windows Vista Service Pack 2 (SP2) and Windows Server 2008 SP2.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter.

Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.

If installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation. Insert the disc into your PC, and then follow the instructions on your screen. You might be asked for an admin password.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.