Most modern iterations of these "girl and machine" stories utilize hand-painted aesthetics that make every screenshot look like a gallery piece.
In "Lena and the Time Machine Download", players take on the role of Lena as she explores different time periods, from ancient Egypt to the Wild West. The gameplay involves solving puzzles, interacting with non-playable characters (NPCs), and collecting items that will aid Lena in her quest.
Often, users searching for this title are actually recalling a specific level or mod from a popular game, or perhaps a misremembered title from the "Magic Tree House" or "Geronimo Stilton" series (where time travel and characters named Lena or similar often appear). However, for the dedicated digital archaeologist, the "download" usually refers to an interactive experience.
If you are looking for the paper involving a "Time Machine" scene (where a subject moves or time changes), you are likely looking for: