Yes. A 64-bit version of TTWin is available. Each paid licence or evaluation version of TTWin 4 includes a 32-bit version and a 64-bit version.

Access to both a 32-bit version and 64-bit version of TTWin makes it simple to transition between a 32-bit operating system such as Windows XP and 64-bit operating system such as Windows 8 or Windows 10.

When purchasing or trialing TTWin you will be provided with copies of both 32-bit and 64-bit install packages for TTWin.

For maintenance users, if you are currently using the 32-bit version of TTWin, when it comes time to upgrade you can download the latest 64-bit install package from your download area (login required).