first you will have to choose a product you want to register be like Automotive, sports and fitness,outdoor and dogs, marine, aviation etc.... After that check your current system you are using for windows take this
Windows 7 SP1 or newer, Microsoft .NET 4.5.2 (included)
1024 x 768 display, USB port and 1 GB RAM
High speed Internet access (Not for use with dial-up, mobile or satellite connections)
May require up to 20 GB free disk space and for
Mac you can use,
OS X 10.10 or newer
1440 x 900 display, USB port and 1 GB RAM
High speed Internet access (Not for use with dial-up, mobile or satellite connections)
May require up to 20 GB free disk space
After verifying your system open up your windows or Mac and start you may use google for more directives. Thanks