To play Minecraft version 1.7.2 with mods, the most reliable method is to use the official Minecraft Launcher to set up the base version and then install a mod loader like Forge. How to Install Minecraft 1.7.2
For a visual walkthrough on setting up specific versions in the launcher, you can watch this guide: How To Install Minecraft 1.7.2 The Breakdown YouTube• Oct 30, 2013 skachat mainkraft 172 s modami
Once the base version is installed, you need a mod loader to run additional content: To play Minecraft version 1