If you would like to become a qa tester which refers to quality assurance as part of the software testing process then you can start by reading about it online to see which institutions can provide you with training to become a professional qa tester.
There are quite a few centers both online and offline that can provide you with the necessary training to become a qa tester so it is necessary for you to compare and contrast each of these institutions to be in a better position to go for the one that would offer you the best training possible.
From the amount of time that it would take you to become a qa tester to the amount of money that you may be expected to spend towards the same, you will have to investigate about everything before you can decide and finalize an institution to pursue such a course from.
To be on the safe side it is best to look for websites that provide reviews and ratings about institutions and centres that offer training to become a qa tester as you will be happy getting recommendations from someone who may have better experience with software quality assurance. Instead of working directly with the website that claims to have training programs to help you learn become a qa tester, it would be a better option to proceed through third party websites that can assist you with it.