[ViN86]

Originally Posted by ViN86

Why do you still boot Vista?

I don't know if it's possible. I think there are registry settings that Steam requires, and you'd have to install it in one OS, leaving the other without the keys.

You may be able to install Steam in both, then install the games you want in both, then delete the data in one and link it to the other directory using a symlink. But Vista and Win7 have permissions issues and you will have to reclaim ownership of the directory each time you use it (I believe).

http://en.wikipedia.org/wiki/NTFS_symbolic_link

Originally Posted by newparad1gm

You can try using symbolic links for the games in the Steam\steamapps\common folder so you can put games on a different hard drive from the Steam folder. Then you can have the Steam installation from both OS's have symbolic links that point to the same game folder so both Steam installs will be technically accessing the same game data.