Dave Thomson asked about the folders Program Files and Program Files (x86). “Why are there two, and is there some advantage of using one over the other?” First, you shouldn’t pick one over the other.

The Windows system consists of thousands of files. Many of them have strange names, others have extensions that most users have never seen before. Normally you do not need to worry about these files.

After running 64-bit Vista for a week or so, and realizing I had no reason to be running it, I did an in-place installation of 32-bit Vista. It moved the Program Files, Windows, and Users folders to ...