I keep getting bigger lags while playing?

When I play Fortnite games, for example, there are occasional lags that freeze the screen for about 10 seconds. What can this be? Can it be that it comes from the fact that I currently only get my Windows on a stick and still have no key?

How much Ram and how much Vram?

16GB RAM, Vram no idea, where do I see that?

This is the video memory of your graphics card, which do you own?

Geforce Gtx 1060 AMP