I'm not entirely sure about it, but I believe you put the patch in the WorldEdit.jar after installation. I'm not sure about this though, so be sure to back up your folder before trying it. Let me know if it works.
Chat with our AI personalities
install the aether mod
no
you can install Single Player Commands and there is a freecam option.
You have to install WorldEdit with it. It usually comes with the download. Put the WorldEdit.jar in the bin folder.
Delete the bin folder in the .minecraft folder, start Minecraft, and it will say that it's updating. Let it update, then install all of the mods over again, but don't install the one(s) that you don't want.