How to Configure Windows Update Delivery Optimization Feature in Windows 10
Windows Update Delivery Optimization works by letting you get Windows updates from source Microsoft, and other PCs on your local network, or PCs on the Internet that are downloading the same files. Delivery Optimization also sends updates and apps from your PC to other PCs on your local network or PCs on the Internet, based on your settings. Sharing this data between PCs helps reduce the Internet bandwidth that’s needed to keep more than one device up to date or can make downloads more successful if you have a limited or unreliable Internet connection.

Although this would mean that you get updates much faster, it would also leave you behind with bigger bandwidth bills. You can stop Microsoft Windows from using your bandwidth.

If you wish, you can turn off Windows Update Delivery Optimization feature in Windows 10.

To turn it off, follow these steps:

1. Open Settings app by pressing Windows + I keys.

2. Click on Update & Security.

3. Click on Windows Update.

4. Click the Advanced options link.

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5. Click the Deliver Optimization link.

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6. Turn off the Allow downloads from other PCs toggle switch.

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Once you've completed the steps, your device will no longer upload or download updates for Windows 10 or apps from other computers on the local network or internet. However, you'll still be able to obtain updates directly from the Microsoft servers.

If you're just concern about the upload usage, you can keep the Allow downloads from other PCs toggle switch turned on, and select PCs on my local network option. This configuration will allow uploading updates, but only to devices within the local network, not the internet.