I had found Minecraft Forge API is the greatest tool of the Minecraft with Optifine HD, more than just a mod loading tool, it also helps players who are designing their own mods, ensuring compatibility with Minecraft Forge API.

There are some successful Installation steps for Minecraft Forge API for Minecraft

1.Download the Installer.
2.Open the Installer.
3.Select "Install Client" and click on "OK" button
4.Enjoy