The first and only commercial game known to use this technology is the Windows version of Halo 2.
Then we can point you in the right direction. Your email address will not be published.
Some apps do that for you, I think CCleaner might. I have a lot of experience processing the registry car this is not something you should try at home if you lack the experience with registries. This worked for me only because Summer was working on two Сборка Drew games for a автомобиля friend, with identical directory structures and a very simply registry presence.