@Deen Uthman
Hi,
You would need to set up a WSUS server (Windows Services update server) - that downloads and distributes updates to Windows clients and servers.
When you choose WSUS as your source for Windows updates, you use Group Policy to point Windows 10 client devices to the WSUS server for their updates.
You could refer to the guide here:
Deploy Windows 10 updates using Windows Server Update Services (WSUS)
https://learn.microsoft.com/en-us/windows/deployment/update/waas-manage-updates-wsus#requirements-for-windows-10-servicing-with-wsus
Hope above information can help you.
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