Question: How Do I Reduce the Installer Folder in Windows 10?
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How do I reduce the size of windows installer folder?

You will regain between 10 and 20% of the space.

  1. Enable “Show system files” in Explorer options.
  2. Right-click the installer folder.
  3. Properties.
  4. Click on Advanced.
  5. On the new dialog, select ‘Compress’
  6. Click OK.
  7. Apply for all files and folder.

Can I delete the installer folder in Windows 10?

The C:WindowsInstaller folder contains Windows installer cache, it’s used to store important files for applications installed using the Windows Installer technology and should not be deleted.

Maya Lin-Takahashi

Maya Lin-Takahashi

Consumer Tech & Gadget Reviewer

Maya is a hardware enthusiast who tests and reviews smart home devices, smartphones, wearables, and audio gear. She focuses on practical consumer value and build quality.

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