Firstly, I painted my nails with one coat of "Moonbeam" by Avon  (Magic Effects) which is a silver holographic nail polish.

Then, I painted my nails with one coat of foil glue and I waited for about 2 minutes until it was fully dried.

Tip: When the glue is trasparent, it is dried completely.

Lastly, I took a silver nail foil and press it down on the glue smoothly with a cotton bud. 

(The foil I used)

♥You can use a top coat to seal your design (do not use a quick dry top coat) ! I didn't used one because it would crack the foil!