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It is clear that before launching new software, you need to test it by an independent specialist and I am sure that it is not so difficult to find such a company on the Internet that deals with this business. A lot of software comes out every day and they are all tested before launch. So no problem.
Of course! But the main thing is to be sure that these testers do their job competently, and not anyhow, so that they find specific problems, if any exist, and already say what is wrong, and then those people who created the software completed their work