Using the Web Browser (the icon that looks like a blue globe at the botton of your screen), visit minecraft.net/en-us/download/alternative/ and download the Ubuntu Linux version of Minecraft. The filename should be Minecraft.deb.
Using the Web Browser (the icon that looks like a blue globe at the botton of your screen), visit minecraft.net/en-us/download/alternative/ and download the Ubuntu Linux version of Minecraft. The filename should be Minecraft.deb.