How do i patch and which patching software is free

How do i patch and which patching software is free.
can someone give me a tutorial or steps on how to patch a game.
im trying to patch Pokemon Soul Silver
and i have and M3ds Real if it means anything
please helpi cant understand the jap writing
i have already found a patch
??? ???
thanx for helping

Read the stickied threads, https://www.romulation.org/forum/index.php?topic=22674.0

No...
i have the patch..
but i dont have a PATCHER

Post in those threads then.