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.
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.