An acient fouded weapons question

[General Marty (OP)]

Firstly - sorry for my bad english

So the quistion is that i have founded a laser weapon witch i didn`t research by xenoarcheology group in ruins.    I tried to put them in my ship disign cause i think that if i have 6 of them in my stockpie i can put in on my flag ship but i can`t find an option to do that.   

Thank you for help , i really try to find an answer in google but i can`t find it.   
hope for your help :)

[Black]

Go to Class Design and select the design you want to equip with alien components. Go to Miscellaneous tab, there is checkbox in lower left side of the window - Use Alien Tech.

[General Marty (OP)]

thank you !

[Kiero]

Sometimes it will not refresh just click "Prototypes" in the lower left part of Class Design widow.