how to make freearc extenal ?
 

i speak english very poor so sorry
I am a new member and i want to learn how to make freearc extenal
how to write a inno setup
please

I don't understand anything, but you can try UltraARC for newbies to Freearc

http://fileforums.com/showthread.php?t=96619

Study the example it has.

i mean how to make freearc with other Compression like you

Well, Like I said, if you study the example that comes with UltraARC, never mind the program itself, there is an inno setup project that you can learn from to understand how it is done.