I tried installing OpenCV2. I needed to get Pip, then I tried to install OpenCV2, but it required a whole bunch of other stuff, which I had to compile, which failed.
Was a very frustrating afternoon.
Was a very frustrating afternoon.
I never got to step 2 that week
The answer, unfortunately, is: you don't - at least not from the docs of all libraries you are trying to use. Maybe from some.
I found it by googling - so shared it, since it might help you.
A less than perfect system, I know.
Yes, I remember that installing pip itself was slightly tricky or involved, a while ago. I think they have made it simpler in recent versions, and it also comes pre-installed with some Python versions, likely 3.x and recent versions of 2.x.