All paths suggested will be good options. Simply choose the one that best fits your personal situation and preferences.
For example, if you prefer studying at a university campus with other students, choose the university course if that option is offered to you. If you prefer studying on your own, at your own pace, choose the Institute’s Executive Program. It’s completely up to you.
If one of your options is to take the Institute's equivalency exam, know that it entails fully independent study. If you prefer more educational support, this may not be the right option for you.
You also need to consider how much time and money you want to invest, as every option is different.