The hexxit mod is free. It is actually one of the better and safer mods out there.
MC Forge will always use its latest version. Therefore, backup your Minecraft and install your second Forge. Forge will use its latest version.
To install Forge Modloader for Minecraft 1.4.7 on Windows 8, first, download the Forge installer from the official Forge website. Run the installer and select "Install client," then click "OK." After installation, open the Minecraft Launcher, select the Forge profile, and launch the game. Finally, place any mods you want to use in the "mods" folder located in your Minecraft directory.
You should use forge.
If your taking about minecraft "Forge mod loader" than no. the only thing it does is let you install mods quickly and efficiently.
ore spawn or hexxit
I believe you need to install Forge first then run Minecraft once before you install any other mods.
You need to install Minecraft Forge in order for many mods to work. Look up a YouTube tutorial to find out how to install Forge.
It might not be out yet but it should be. You have to download and install forge then you can install mods by going to .minecraft/mods and adding a mod there.
install forge and there will be a mod list
It does cost money. but you can download it illegally
I think you just either download something (mod) that requires forge but if the mod doesn't, download forge, drag and drop the files into the .jar of minecraft and voila! Please inform me wether this worked or not