Hello crstog,
Intuit Field Service Management is a web-based program powered by Corrigo. It simplifies your business and gives you more control over your people, customers, cash flow and costs. After you've purchased the program, you'll received an email from Corrigo about how to activate and sign in. Upon the activation, you'll need to visit https://qblogin.corrigo.com/ using a browser to access your account.
If you need help with accessing your Intuit Field Service Management account, please call Corrigo Pro Specialist Team at 800-517-2871 (Mon-Fri, 8 am to 8 pm ET) or email them at support@corrigo.com. They'll be able to help you set it up so you can start working.
Here are some references: Intuit Field Service Management Setup and Support and http://quickbooks.corrigo.com/support-2/.
Should you have any other questions, please post them here.