Folder Guard is currently available in the following editions:
This edition is for the 32-bit versions of Windows such as Vista, XP, Server (all 32-bit editions). It is also backward compatible with Windows 2000. This edition cannot be used with Windows 95, 98, Me, or Windows NT 4.0 or any other older version of Windows.
This edition is for the 64-bit versions of Windows such as Windows Vista or XP x64 (all 64-bit editions). This edition cannot be used with any of the 32-bit versions of Windows.
This edition combines the 32-bit and x64 editions of Folder Guard in one convenient package. When installed on the 32-bit versions of Windows such as Windows it offers the same functionality as Folder Guard 32-bit Edition. When installed on the 64-bit (x64) versions of Windows, it works in the same way as Folder Guard x64 Edition. This edition cannot be used with Windows 95, 98, Me, or Windows NT 4.0 or any other older version of Windows.
You can have more than one edition of Folder Guard installed on the same computer, but only one of these editions can be active at any given time: if you enable the protection with one edition, the other one will become inactive.