FastCAM 7, due to the way it is distributed, often still comes with the installer on a CD. You have a few options here, but they all have a similar few crucial steps:
1. You need a CD Reader. So either a PC that has a CD reader, or an external CD reader will work.
2. Copy ALL the Files FROM the CD to another location. This can either be a share networked location or another USB. Please don't attempt to load files onto the FastCAM Dongle however. It is not a data transfer USB.
3. Get the install files onto your actual PC and install. From here it is the same as installing from the CD except you are installing from your copied data files.
Hopefully that helps!