Fix problems that block programs from being installed or removed
After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.
How to troubleshoot Windows Installer errors - Microsoft Support
The installation file is typically named Autorun.exe or Setup.exe, but this may vary. If you're not sure, check the Readme file in the folder for instructions about how to run the installation.
Office installed with Click-to-Run and Windows Installer on same ...
Learn how to resolve errors related to running Office installed by Click-to-Run and Windows Installer (MSI).
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Click2Run, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Use the Office offline installer - Microsoft Support
Open the Office folder in the virtual drive, and then select either the Setup32.exe to install the 32-bit version of Microsoft 365, or Setup64.exe to install the 64-bit version to begin the offline installation.
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft365.com, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Download Internet Explorer 11 (Offline installer) - Microsoft Support
To download the offline installer for Internet Explorer 11, choose your language and system below.
System Restore - Microsoft Support
Learn how to use System Restore in Windows.
Download and install Microsoft 365 Access Runtime
When installing the Access 365 Runtime on a machine that has another Click-to-Run version of Office installed, the Access Runtime installed will match that of the existing Office installation. For instance, if the machine has Office 2021 installed, Access 2021 Runtime will be installed.
Applies To:
Access for Microsoft 365, Access 2024, Office 2024, Access 2021, Office 2021, Access 2019, Office 2019
How to use the PC Health Check app - Microsoft Support
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.
Install or reinstall classic Outlook on a Windows PC
To install a standalone version of classic Outlook for Windows, select your language from the dropdown, and then select Download. Follow the prompts to complete the installation. Which language do you need? Tip: You can also try installing classic Outlook from the Microsoft Store.
Applies To:
New Outlook for Windows