This release is intended for x64 windows.
The PORTABLE executable is the core Software that works without installation and needs to be put in a specific folder because of dependences created in the folder where the executable is launched.
The Setup includes a startup version that FLashBack the drives, following the settings, on startup. One's should check the Startup Setting before usage. The Setup includes the normal executable as well. (Do not open the FBD FlashBackDrive Startup and only use the FBD FlashBackDrive Startup Settings to change its behavior.)