Windows 10 usually downloads and installs updates automatically. But if you don’t know how to disable Windows 10 update permanently then this article is for you.
You can stop updates for up to 35 days, even in the Home version, by following the steps below.
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How to stop updates for up to 35 days
To disable Windows 10 update permanently, first, open the Settings page via the Start menu and click on the Settings gear icon or press the Windows + i keys.
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Go to Settings> Update & Security> Windows Update. At the bottom of the page, click Pause updates for 7 days. Windows 10 will not automatically download and install updates for the next seven days.

Click Pause updates for 7 days again to increase the pause period. When you reach 35, this option turns gray; Because the maximum amount allowed to stop the update is 35 days.
Note: When the downtime ends, Windows 10 Update will automatically download and install the available updates.
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How to stop or disable updates by a certain date?
You can postpone updates to a specific date. In the Windows Update settings window, click Advanced options.

Go to the Pause Updates section and click on Select date. Then, select the desired date to resume the Windows update. Next, scroll to the bottom of the list and select a date for the next 35 days.

Note: When the due date expires, Windows will automatically download and install any of the available updates.
How to avoid big updates?
Newer versions of Windows 10 give you more control over major six-month updates, and these updates are no longer automatically downloaded and installed. If a new update is released, options will be displayed on the Windows Update screen. You can click download and install to update.
Note: Windows Update installs these updates automatically. For example, if the current version of Windows 10 is nearing the end of its support period and your computer needs to be upgraded to continue receiving security updates, these updates will be installed.

How to stop updates for a longer period of time?
You can better control updates by converting connections to metered. This option is intended for connections with a limited amount of data download permissible. To convert the connection to metered, go to Settings> Network & Internet. Select Wi-Fi for wireless connection and Ethernet for wired connection. Click on the network name and enable the Set as metered connection option.

Go to Settings> Update & Security> Windows Update to make sure Windows does not automatically download updates on a metered connection. Click on Advanced options and make sure Download updates over metered connection (extra charges may apply) is set to off.
Note: Windows Update automatically downloads updates to non-metered connections. For example, if you connect your laptop to a different Wi-Fi network that is not marked as a metered network in Windows, the update will resume.

Use Group Policy for more control
For businesses that want more control over updates, Microsoft offers a set of Windows Updates for Business options that can be controlled in Group Policy or through MDM policies. To apply these policies, you need the Professional or Enterprise or Education version of Windows 10.
This version is not compatible with standard Windows 10 Home software on most computers; However, you can change the settings through the Local Group Policy Editor on Windows 10 Professional. In Group Policy, you will find these settings in Computer Configuration> Administrative Templates> Windows Components> Windows Update> Windows Update for Business.

Make sure you set Active Hours so that Windows 10 does not resume updates at a bad time. You can also restart updates during the hours you normally use your computer and prevent Windows Update from crashing.
Source: Zoomit