small business software that i can buy and download online?

Mag A asked:


i need a small business software that i can buy online and download to start working on.something not too complicated!!
it includes all sort of expenses and payrolls, etc,,,

also i can print from it purchase orders and receipts etc,,
i want to use it as a database and from the software i can to make the receipt.
i want it for my shop something not too expensive and easy to use !!
plz help !!