From the US website
For TURBO TAX PREMIERE DESKTOP version
Operating systems required: Windows 11 (64-bit), macOS Sonoma 14 or later. Software will not install on Windows 10, macOS 13 or earlier operating systems.
Please confirm your operating system prior to purchase.
Plus no 60 day satisfaction refund.
So Canadian version supports Windows 10 with ESU, American version does not.
What possible sense does that make given Intuits comment that Windows 10 is unsafe, and therefore they aren't supporting it?
why should Canada support Windows 10 ESU and not US version?
