This is a one-time payment (includes 2 years of support and updates).
Your purchase gives you access to all currently available versions of osTicket Awesome, any new versions and all updates for a period of two years.
After your license expires you may wish to renew it. But even if you don’t renew, your installation will continue to work forever.
When your purchase is complete you will be prompted to create a user account on this website which will give you immediate access to the Downloads page and the Support Forums.