Please go to Myspace > Billing to download the invoice.
Yes, D5 Pro can be upgraded to D5 for Teams. For more information, please feel free to contact us. If your team has activated D5 for Teams, you can reach out to the team admin for an invitation to join the current team.
Please check the D5 Pro Subscription Terms.
D5 Community version is free to download and use for an unlimited period of time, but it may not be used for commercial purposes.