They don't offer the trial version for QBD Premier. Consider using the trial version for QBD Enterprise instead. The features on QBD Enterprise without Advanced Module are similar to QBD Premier. You should make a decision within this month, either to buy a one-time license for QBD 2021 or QBD 2020 at a lower price. Otherwise, you have to purchase QBD 2022 with the subscription license starting October 2021.