You are correct according to this: https://docs.microsoft.com/en-us/windows/powertoys/install#install-with-microsoft-store
Requirements
- Windows 11 or Windows 10 v1903 (18362) or newer.
- .NET Core 3.1.20 Desktop Runtime or a newer 3.1.x runtime. The installer will handle this if not present.
- x64 architecture currently supported. ARM support to become available at a later date.