Linux upgrade 1.6.4 to 1.6.5

How does one go about upgrading from 1.6.4 to 1.6.5 without losing existing settings and setup? I'm using Kubuntu 14.04, and installed 1.6.4 from the downloaded 32-bit linux tar. I've also set up Teensyduino and added support for the Adafruit Trinket, and hoped I could just upgrade the IDE without having to just clear it all out, reinstall, and set up everything again.