I started receiving warnings about limited hard drive space, which has a capacity of 117GB. Using TreeSize Free, I identified that the Windows Installer folder is 51.4GB. How can I reduce the size of this folder?
Discover how to clean the Windows Installer folder safely, remove old logs, and free up precious space on your hard drive. Before touching the Installer folder, always try Windows' supported cleanup tools. These are the safest, first.
The C:\Windows\Installer folder is a cache created by Windows Installer. Whenever you install or update software that uses Microsoft's installer framework, Windows stores copies of MSI (Microsoft Installer) and MSP (Microsoft Installer Patch) files here. These files aren't duplicates you can just hit delete on.
![How to Cleanup the Windows Installer Folder [Full Guide]](https://windowsreport.com/wp-content/uploads/2020/07/explorer_XmcgZCfenn-1.png)
Windows relies on them later when you try to repair an app, apply an update, or. Learn how to identify and delete orphaned MSI and MSP files from the C:\\Windows\\Installer folder in Windows 11/10 using PowerShell, Patch Cleaner, or WICleanup tools. These files can free up disk space and avoid errors or conflicts with applications.
Learn how to safely delete orphaned.msi files in the Windows Installer folder to free disk space. PatchCleaner is a useful program that compares the installer files with the registry entries and shows the orphaned ones. Wondering if you could cleanup the Windows Installer folder? There are actually a few ways you can and clear significant storage space.
Learn what Windows Installer folder is and why you should clean it up. Find out five methods to free up space in this folder, including using PatchCleaner, Windows Settings, Disk Cleanup, MiniTool Partition Wizard, and CMD. On my SSD machine, the C:\Windows\Installer folder is massive and takes up about 15% of my total disk space.
Is there a way to clean up that folder without killing Windows 8.1/10? Tucking away the installers on the OS partition seems wasteful. What is the C:\Windows\Installer folder and is it safe to delete? Learn 4 safe ways to remove Windows Installer files to free up gigabytes of disk space without breaking your PC in our guide.