How to insert sounds in the story?

Look I tried to insert sound but the sound isn’t playing. I don’t know why. Please check out this pic n tell me where I went wrong. It would be very kind n nice of u.

Please help. Tell me the correct codes.

is your sound turn on?

How to turn on the sound. I think it is on. But if u could tell me once. Maybe I would try it out.

on your computer. also 2500 mean it wont start imidtly. try to write 0000