I can confirm 7 requires a key to be imputed before you install. My source. Trying to install windows 7 on my new ssd just last week.
There are quite a few tests. Look at TPU's cpu benchmarks and use those tests.
Natural Selection 2 (NS2) - FPS/RTS with depth. Link
Studios and publishers seem to have forgotten that games are supposed to be games, not CG films with playable action scenes. Link