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Establish a structured quality control and assurance process. This may involve a small team of developers testing each feature for smooth functioning on various operating systems, or bringing in new testers with fresh eyes to interact with the product. Write up a complete set of testing procedures and make sure all testers are following it to the letter. If steps are skipped it will not be a valid test. Allow a small and select team of end users to use your product to gauge its user-friendliness, effectiveness, accuracy and/or efficiency. Then fix all bugs and retest. Finalize your product by fixing all bugs and errors, and conduct a final test to ensure quality. Choose beta testers from industries that you previously determined have a need for your type of software. Hire a marketing firm or experienced marketing professionals to work for your company. Consult with such professionals during the product development process to help shape decisions about product features, uses and market audience. Marketing professionals should be getting feedback on product features, etc., from potential customers rather than just from the software developers in your company. Develop a website and a Facebook page for your company when your product is ready to launch. Provide a lot of "teasers" about what is to come and what the software will be able to do for them. Compare it to similar products on the market. Then decide if you want to charge via a licensing fee, a time-limited subscription or per transaction by the end user. Licensing fees are usually a one-time charge for the life of the product, such as purchasing the current version of Microsoft Office. A time-limited subscription would be for a specific period of time before an additional charge is incurred. This would be appropriate if you foresee a lot of upgrades being released. Per transaction would be a charge every time the customer uses the software such as at a point of sale.
Test your software product after the development phase. Gather a team of beta testers. Market your product. Determine the price point for your product.