i installed bigbluemenu thenn i installed tloz twillight princes picros to try it stuck at booting what can i do
You need an emuNAND.
Basically, this allows you to stay on 9.2 while being on the latest firmware at the same time.
With an emuNAND, you can run 9.6+-encrypted games (like that), use the eShop and Miiverse, all while enjoying kernel access.
I recommend rxTools or ReiNAND.