What is the use of Windows delivery optimization files? Can it be deleted?

php editor Banana is here to answer a common question: "What is the use of Windows delivery optimization files? Can they be deleted?" Windows delivery optimization files are some temporary files automatically generated by the system during operation. Improve system performance and optimize resource allocation. These files include prefetch files, paging files, thumbnail cache, etc. Although these files can be deleted, it is recommended to understand their role before deleting them to avoid unnecessary impact on the system. Next, we will explain in detail what these optimization files do and whether they can be deleted.

What is Windows Update Delivery Optimization?

Windows Update Delivery Optimization is a technology that speeds up the downloading and distribution of Windows updates and applications by obtaining update resources from other devices. It uses an idea similar to P2P downloading to allow users to share update files, thereby reducing the burden on Microsoft servers and improving the efficiency of updates. Especially in a LAN environment, this function can significantly reduce the update bandwidth consumption of the entire network.

How to delete delivery optimization files on Windows 11?

1. Click the search bar, type Disk Cleanup, and then open the tool from the results.

2. If you have multiple drives, please select the drive with the system (usually the C: drive).

3. Select the Delivery Optimization File option from the list and click OK. While you're here, you can also delete caches, temporary files, and more to free up more space.

4. Click the Delete File button to confirm your selection.

Delivery optimization files are also used to update other computers on the network. They're harmless, but you can delete them if you need a little extra space on your system drive.

How to turn off delivery optimization on Windows 11?

Although delivery optimization helps computers on the network get updates faster, it can also cause increased bandwidth usage, so it should be disabled if running on a metered connection.

To disable delivery optimization, visit Settings, then go to Windows Update and click Advanced Options. From there, click Delivery Optimization and turn it off.

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