Ubuntu team has announced the third long term support release Ubuntu 12.04 Precise Pangolin for its Desktop, Server, Cloud, and Core products. Also, the other flavors of Ubuntu 12.04.3 is available to download such as Kubuntu, Edubuntu, Xubuntu, Mythbuntu, and Ubuntu Studio. Check the release notes and Download page down below. The long term support release brings the latest security fixes, bug fixes, system stability, and various improvements. Ubuntu Kernel 3.8 is currently available on the last stable LTS release of Ubuntu, Ubuntu Kernel 3.8 brings better hardware enablement stacks which provide better performance x86 only in the mean time. Ubuntu 12.04.3 LTS Precise Pangolin “Desktop” Release Notes.
Useful installation guides
You can use “Unetbootin” for creating a bootable USB flash disk if you would like to use Ubuntu as a live session, also you can use it for installing Ubuntu as well.
If you have trouble installing Ubuntu 12.04.3 LTS Precise Pangolin, please follow the installation instructions in this Page. This page includes many installation methods based on your current operating system whether you are using Linux, Mac OS X or Microsoft Windows.
Download page includes multiple download methods via torrent or direct link. Also, it includes different system architectures for each of Ubuntu types “server or Desktop”. For other Ubuntu Flavors such as “Edubuntu, Mythbuntu, Ubuntu Studio, and Kubuntu” you can find download pages in the release announcement page for Ubuntu 12.04.3 Here.