With Minecraft HD Patcher you can switch between Minecraft hi res texture pack's. HD texture fix replacing basic textures with hi-res textures.
How to Install MCPatcher HD Fix 2.1 for Minecraft 1.7.2
Please follow this steps:
Download Minecraft HD patcher for Minecraft 1.7.2
Run the patcher
Check the options that listed in the white box
Go to Mods and Texture Packs
There should be nothing there because you didn’t put any texture packs in texturepacks folder in minecraft folder yet
Try to put one, and re-open Minecraft
Play Minecraft in Hi-Res!