Windows 11
Builder v (LLVM/Clang 19 1.4, Swift 6.1.2, Id64 955.13-2025-828, cctools 1024.3)
iOS 26.0 SDK
Attempting to build and deploy the Unity AR template to my iPhone to test whether future work using Darwin will be possible. The process fails each time as the 'build.cmd' file is not recognised. See link below.

https://pmbaty.com/paste/9b29a851c356941b#9a6c4toQno4nxcsBN9y1Q11LWLWyZ6zTbxvK6bDxHkvj

Any help would be much appreciated.
Thanks
Tom