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Automatic updates may eat up your data. Here's how to limit Windows Update bandwidth in Windows 10 by enabling delivery optimization.

If Windows Update is constantly eating your data bandwidth, this article may help you to solve this. We all know that updates are automatic in Windows 10 and they keeps downloading in background. However, if you like, you can turn off automatic updates.

But if you prefer to stay updated without ruining your data plan, Microsoft has something for you. By enabling delivery optimization, Windows will automatically adjust the bandwidth while downloading updates. This ensures your data is used efficiently. Delivery optimization can help you to restrict or limit Windows Update bandwidth as mentioned below.

How To Limit Windows Update Bandwidth In Windows 10

WAY 1 – Using Settings App

1. Right click Start Button or press W8K + X keys and select Settings.

2. In the Settings app, navigate to Update & Security > Windows Update.

3. In the right pane of Windows Update, click Advanced options.

How To Limit Windows Update Bandwidth In Windows 10

4. Next, click on Delivery Optimization.

How To Limit Windows Update Bandwidth In Windows 10

5. Moving on, click on Advanced options under Delivery Optimization.

How To Limit Windows Update Bandwidth In Windows 10

6. Now on the next screen, under Download settings heading, you’ve to enable Limit how much bandwidth is used for downloading updates in the background option and then choose a percentage on the slider to restrict the bandwidth.

How To Limit Windows Update Bandwidth In Windows 10

FYI, above mentioned steps are illustrated on V1709. The wording and placement of corresponding options may change in later versions.

You can also limit Windows Update bandwidth via registry as mentioned below.

WAY 2 – Via Registry

Registry Disclaimer: The further steps will involve registry manipulation. Making mistakes while manipulating registry could affect your system adversely. So be careful while editing registry entries and create a System Restore point first.

1. Press W8K + R and put regedit in Run dialog box to open Registry Editor (if you’re not familiar with Registry Editor, then click here). Click OK.

Windows 10 Registry Editor

2. In left pane of Registry Editor window, navigate to following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings

How To Limit Windows Update Bandwidth In Windows 10

3. In the right pane of Settings registry key, right click and select New > String Value. Name the newly created registry string (REG_SZ) as DownloadRateBackgroundPct. Double click to modify the string’s Value data:

How To Limit Windows Update Bandwidth In Windows 10

4. Finally, type the percentage of bandwidth you want to limit for Windows Update and click OK. A value between 5 and 100 is acceptable here. You can now close Registry Editor.

In this way, you’ve restricted the Windows Update bandwidth for your Windows 10.

That’s it!


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