The upgrade price is for owners of QBI 3.50 or greater who's current year of support has expired, and must be for the same domain name as the prior full-price purchase. Includes updates and support for one additional year. Prior purchase will be verified before product is delivered.

Quickbooks Requirements:
Quickbooks Pro, Premier, or Enterprise for Windows, US versions only, 2013-2018 officially supported (Mac and Online not supported).

Server Requirements:
PHP 5.6, 7.0, 7.1, or 7.2; MySQL or Maria 5.5 or higher; ionCube loader 5.0 or higher. The ionCube loader is normally already installed on your server but can be easily installed if not.