This is a walk through that is told in simple step by step directions. I take no responsibility for anything that may or may not happen.

This is how to install Keep. Keep is a KDE back up application.

Step 1: Open Terminal.
Step 2: Type in sudo apt-get install keep
Step 3: The Terminal will ask you if you want to continue: type in y and click enter on your keyboard.
Step 4: Wait for it to install.