Help urgen!t with stoke path in photoshop

Hi if someone can help me i’ll been soooo thanful…

Im trying to use the “stroke path with brush” in photoshop when I made some path…
but it doesnt work… I had to rasterize it, and the option appear, but if I dont rasterize, the option did not appear
Please if you cant understand me see
the tutorial Creating Simple Fractal (page 2) in the step:

ix.You are almost done, but not yet! Find the ‘Paths’ window or go to Windows>Paths. You should see your path there. Click the ‘stroke path with brush’ button.

I need to Know why this option doesn’t appear to me…
what i’m doing wrong?
which is my mistake?

please it is making me crazy… I need help!!!
Thanks for your attention
excuse my english
Lulita