Its really not how it works for 1.7.4, AT ALL. There is no more bin folder (if you haven't FREAKING NOTICED) and the Minecraft LAUNCHER (the grass block) is different then the actual game (the crafting table) therefor if you try to open it with a program such as WinRAR or 7zip, It will say the files are corrupted when you try to delete META-INF and even if you were to somehow get that to work, the "1.7.4 Modded" (or whatever you called it) will not show up in the version editor.
So why don't you actually do some god damned RESEARCH and THEN assume that it's the same.
Works for 1.6.4 and 1.7.4
So why don't you actually do some god damned RESEARCH and THEN assume that it's the same.