Computrainer Intervals w/o PC

Just bit the bullet and bought a used CT. I was wondering if I just want to do a simple 2x20’ FT ride, and I don’t want to bother with hooking up the computer and all that jazz (my CT is in the garage so I have to move the PC everytime, not ideal i know), what’s the best Program to simply do my own ride without the computer? I’m trying to optimize my time on the bike and not with the setup.

Also, my CT came with the 3D version 3.0 software but a small subset of the overall courses. I checked the CT website and it seems that the free courses can only be downloaded one at a time. Is there no way to download many(all) of the courses at once?

although some people argue that using it in variable power mode (“Reset” after calibration) in which its up to you to meet the target power is a better training methodology. i have no idea if they are right - I mix it up and do both.