The application is built as a 32-bit (x86) program. However, it is fully compatible with 64-bit versions of Windows 10 and Windows 11.
Microsoft’s "Terms of Service" strictly prohibit the use of external tools to modify Gamerscore or multiplayer save data. Using Horizon while connected to the internet can result in a permanent console or profile ban. horizon xbox 360 64 bit portable download
Improperly "hashing" or "resigning" a file after editing can make the save data unreadable by the Xbox 360. The Legacy of the Xbox 360 Modding Scene The application is built as a 32-bit (x86) program