Hi there,
If you have more than 40 PC it is not advised to install the updates individually on all the PC.
You can set up a WSUS server (Windows Services update server) - Which will require a Windows server license. There are many deployment tools used and you can get to know about them from here
Windows 10 deployment scenarios and tools
https://learn.microsoft.com/en-us/windows/deployment/windows-deployment-scenarios-and-tools
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