Step 1. Delete your Minecraft.exe you currently use to launch your minecraft.

Step 2. https://mojang.com/ Go here and download the latest 1.6 version of minecraft.

Step 3. Place the download on your desktop.

Step 4. Create a new folder.

Step 5. Open your recycle bin and drag your deleted Minecraft.exe into the new folder.

You now have Minecraft 1.6 and Minecraft 1.5.2

Hope this helps guys :sick: