The Poser manual is pretty clear on how to install Queue Manager.

The gist is:

the master machine should have QM in the same folder as the PoserPro.exe. That has to be there to connect with QMs on other (slave) machines, so it's installed by default: you don't have to do a separate installation run for it.

You install QM only - not Poser itself - on the slave machines.

If all your PCs are networked properly, all the QMs will talk to each other. Use the one on the master to manage how jobs are distributed.

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Windows 10 x64 Pro - Intel Xeon E5450 @ 3.00GHz (x2)

PoserPro 11 - Units: Metres

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