In order to uncompress these files you will need to use a compression utility,
such as WinZip or PKZip for Windows.
Important note: The Patcher utility is used to patch form·Z, and form·Z RenderZone Plus, from v6.7.0-2 to the latest version. See the Patcher instructions included with the download for details using this utility. You will need to download the Patcher utility as well as the necessary patch files depending on what executables you need to patch. You must use this patcher for installing the 6.7.3 patch. Do not use any previous version of the patcher utility.
A list of corrections is available: 6.7.3 Corrections