How do i polish or add visuals to my program

Question

polishing programs

Answer 1

What language?

Will give general answer for now.

Some options for C++

OpenCV

https://www.sololearn.com/discuss/578649/?ref=app

SDL2

- what I currently use

https://www.sololearn.com/discuss/498964/?ref=app

Answer 2

i have downloaded visual studio but its not installing .it says something about service pack 1