Upgrade To KDE SC 4.10 In Kubuntu 12.10 Or 12.04

KDE SC 4.10 has been released today with many improvements and additions, including a new QML-based screen locker, additional KWin effects and scripts thanks to GHNS (Get Hot New Stuff) integration, a new print manager, a new Air theme and wallpaper and many improvements to Kate, Dolphin, Konsole, Okular, Gwenview, Kontact, re-written typing tutor and more.
As usual, the Kubuntu team has been super fast and the latest KDE SC 4.10 is available for Kubuntu 12.10 or 12.04 users in the Kubuntu Backports PPA, so here's how to upgrade.