1. Download the SDL packet from https://www.libsdl.org/download-2.0.php.
2. Extract and place the folder on C drive and rename SDL2.
3. Create A project in visual studio. And A .cpp file.
4. Go to Properties of Project->C/C++ ->General->Additional Include Directories-> Add the path of include folder in SDL
5. Go to Linker->General->Additional Libraries->add *86/*64 lib folder.
6.Go to Linker->Input->Additional Dependencies-> ADD SDL2.lib and SDL2main.lib.  
7. Go to *86/*64 folder of SLD and copy the SDL2.dll to current directory of the project, And you are ready to go.
8.If problem still exists then do the same of inlcuding path in VC++ directories where we include the path of bin, include and lib. 