After installing the newest kernel a dozen times you will ask the question " As you've seen, Ubuntu does provide versions of the Linux kernel, but not always as fast as they are released upstream, you can always compile the 3.3.1 kernel yourself, but that may be more effort than you were looking for.If not, search around and I'm sure you'll find a tutorial you can follow such as this one.So it is always best to understand those systems in order to be able to properly use those system.Within the confines of this article you will learn how to keep your Linux system up to date.For some new users this left their machines outdated or without applications they needed. Now Linux is exponentially more user friendly - to the point where so much is automatic and ¬†that today's Linux hardly resembles yesterday's Linux.Of course, at the time, most everyone trying their hand at Linux knew they were getting into something that would require some work. But even though Linux has evolved into the user-friendly operating system it is, there are still some systems that are fundamentally different than their Windows counterparts.In the process you might also learn how to install an application or two.
It will download the .deb's for you, install the new kernel, and optionally remove the old one (not recommended) then optionally reboot.
Though not recommended by some, you can often run official kernels from later versions of Ubuntu without issues.