How do I use a .bsg file?

ANNOUCMENT!

uploaded by new 11 months ago

I will make my own skins but not a lot maybe a flag or something.
also i uploaded a shield regainerator but it didnt go on the newest creations page
please help!
*******************DO NOT DOWNLOAD******************
LOL LMAO
if you download you will find out what I am spending so much time on!
still incomplete
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