You should try Xubuntu 15.04, and look at it from the perspective of someone who's never used a computer before. It's got a simple, clean interface that any kid can figure out. And when the computer crashes (which it will) you don't have to pay for a pirated copy of Windows.
"The ThinkPads, which run on Intel Pentium M single core, 32-bit processors and hold less than 2 Gigabytes of RAM, were state-of-the-art 10 years ago but are far outdated by today's standards."
What OS would you suggest as an alternative? Just in case you meant OpenBSD or something...
