Starting with Windows Vista, the 64-bit versions of Windows have two Program Files folders. The regular Program Files folder holds 64-bit applications, while "Program Files (x86)" is used for 32-bit ...

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 ...

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.