Get TivoDecode and convert the .tivo files from Desktop to .mpg and then there is no need to install anything on another computer, except the necessary player. You can then use a usb drive stick or memory card to transport the videos.
Series 2 (PLS, sold)
TiVo HD 1TB (157 HD Hrs, PLS, "652")
Roamio! Oh, wait, Its Juliet!
OTA! OTA! OTA!
The TiVo Apocalypse begins on Sat 2013 Feb 16 00:00 GMT!