If you just want to make a globe, you can visit this simplified version
If you want to use all the options of the program, go here
How to project?
Learn how to write your own projection here.
Examples
I used the simplied version to create two images, one with 12 gores, one with 6 gores. Output sizes are 5376 x 2688; these examples here have been reduce to 600 x 300.