Before you proceed with the installation, make sure the servers (physical or virtual) meet the minimum hardware requirements.
While booting the system, insert the installation medium (optical disc or USB flash drive) with PortaSwitch installation Disc 1 into the computer. If you do not insert it soon enough, and get a "no operating system" error (or a previously installed operating system starts its boot-up process) then press Reset and ensure that you are booting from the proper device.
