No. Managing Situate licenses is easy.
After you make your first purchase, your license is created. Then login to situate using the Situate GUI.
The hello page will have a "Update License" button. Just press it and Situate will immediately apply a new license.
License + Maintenance Customers
L&M Customers will receive a license file once the contract is signed. Just copy the license.dat file into /opt/situate directory.
Situate will find the new license in about 60 seconds.