Edit (patch) a binary file in IDA Pro

Question

i would like to know how to edit a binary file in ida pro (i just need to change one instruction!)

(its ARM binary)

thanks

Answer 1

IDA 6.2 has the "Edit" -> "Patch program" menu enabled out of the box. No need to modify idagui.cfg. There is also an "Apply patches to input file" option that that will modify the target file.