This is a great question that, unfortunately, cannot be answered in just a couple hundred words. There are important issues that focus on educating one's self prior to embarking on such a course of action, particularly the downsides of using steroids – the side effects, the proliferation of fake gear, getting off of them, getting blood work done, etc. And, the fact that buying, selling and transporting them is (in America) still a felony, not to mention banned by all sports federations. All very important salient issues that require a lot of space to do justice.
Winstrol will also drastically reduce HDL cholesterol levels and increase LDL levels which will bump up your blood pressure. Testosterone levels won’t shut down completely from taking winny, but some bodybuilder like to combine it with testosterone because your natty production of test will be low after your cycle. To prevent yourself from experiencing low T, it’d be ideal to run testosterone as your coming off winstrol to keep this muscle-building hormone high. This will also help cement your gains, helping you hang on to the muscle you’ve gained on winny.