If you have no virtual machines, you can start your work in Parallels Desktop with creating a new virtual machine in New Virtual Machine Assistant.
The assistant offers several installation modes. You can choose the mode that better fits your needs or your experience with Parallels Desktop. Regardless of what method you select, you will be able to change the configuration of your virtual machine later using the Virtual Machine Configuration dialog .
To create a new virtual machine:
If you click Skip in the Operating System Detection window, you will be able to choose between the other installation modes in the next window: