Most of your queries are addressed in the User Manual which is embedded in the software. and in the FAQ (Frequently Asked Questions) section which is available in each product page. Even after this if your problem does get solved, please feel free to contact our support team. Your queries will be addresses at the earliest (within 24 hours).
For any technical assistance, you are always welcome to mail us at email@example.com
For any sales enquiry, you are always welcome to mail us at firstname.lastname@example.org