What is Toad's system requirements and support regarding 64 bit for Windows and Oracle?
Does Toad 9.0.1 or any other version support 64 bit for Windows?
Toad for Oracle 9.0 and newer will support working on a 64bit Windows environment.
But Toad for Oracle version 9-11.5 will only support connection through a 32 bit Oracle clients
With version 11.6 and newer, support for a 64 bit Oracle clients was added.
Please refer to the specific Toad for Oracle versions' release notes for system requirements and bit version support.