yes its very simple, if you have put them into a folder on the desktop then its very easy to import them into mydmx. here is how to do it.
Step1: opem my dmx 2.0 and you will see this screen:
Step 2: you need to import your fixture profile. click on the import tab
Step 3: seelect your profile fixture from the folder or desktop
Step 4: once you have selected the profile fixture it will be imported to mydmx. it will be located in the imported folder. click on the imported folder to find your profiles
Step 5: once you open the imported folder you can select your profile. just drop and drag the profile onto the universe screen and it will look like this
Step 6: from here you just click the editor tab
and from there you will see this
from here you can edit your lights and make them do what you wish. hope this helps out