We are working on broadening support for Windows on ARM. Currently, only Mocha Pro is supported on ARM CPU's, as indicated by "Windows Arm64" under OS on our downloads page.
https://borisfx.com/downloads/?product=mocha
While it is possible to install other BorisFX products on Windows on ARM, this is not supported and may not work properly.
Please refer to each individual products' system requirements and technical specifications.