This can be done in two ways
If we have the orchestrator and a robot is installed in PC2 then we can publish the process developed in PC1 to orchestrator, then run that process in PC2
or
If we don’t have orchestrator and a robot in PC2
then from being in OC1 itself we can do that but we need to have RDP Connection wizard that is REMOTE DESKTOP CONNECTION wizard
So that we can connect PC3 from being in PC1 and do the operation inside the PC2