hi guys i have download a recorder and have install all for that i can record now on f9 and f9 stop and save the recorder and i can look the video /demo /demo0001 too but i dont know where it have save ? i want post a cheater where i have recordet =) can help me someone ?

in the server's folder
for example, if you recorded a demo in FF server you find it in FFmod\demos
if in ATEAm you find it in S4ndmod\demos

i only find a s4ndmod pk3 file how i open it ?

can you write the code of the script you downloaded?
I suggest you look at this guide you will find a good demo recording.
http://www.clanff.com/t41-how-to-record-a-demo

hm... it is the same i have but i cant open this pk3 data on the s4ndmod server how you make that i can post it ? can only open mit editor but its not intressted xD

it SHOULDNT be pk3
its demoxxxx.dm57

either in Main\demps or S4ndmod\Demos...

to watch demos read this guide.
http://www.clanff.com/t40-how-to-watch-an-rtcw-demo

hm... xD
but dont read any about post a video only how i can watch

lol
i thought you were asking where its saved?
to upload it use www.filefront.com

upload and the host will give you the link
copy the link to your forum message :d