No problem. If you go to ETC's website, on their Express page at the bottom there is a section called related products. In that section, you can click on Expression Offline and it will go to a new page. Click on the download tab and in the Off-line Software section, you will see Expression 3/Express/Insight 3 Off-line Software. Download and install that. Then go to the menu which you installed it in and open the Personality Editor. It is fairly straight forward to use. Any problems feel free to ask.
The Off-line Editor is great tool to work on shows without the console. You can also name things in it, like Subs, Cues, Channels, Dimmers, and Groups. Really a great tool.
Believe it or not, I have gotten use to programing movers on an Express series and find it freely easy. I can share a few tricks if you would like.