[Beginner] I made my model in blender | what do i do now?

Basically i made my model in blender, what do i do with the hands? i just want this to be a weapon it doesnt need any animations for anything i just want it to display like a weapon in game :?

https://puu.sh/rAFTM/dc7e992924.png

Could someone walk me through?

https://www.youtube.com/results?search_query=blender+tuto

?

What im asking is https://puu.sh/rAIEy/c14fba5b27.png i finished the hands and the weapon what do i need to do just to get this in game? i dont want any animations…

add me on steam and i will guide you there (click that steam icon under my name)