dism /Mount-Wim /WimFile:D:\sources\install.wim /Index:1 /MountDir:C:\mount
Because there is no official "Windows RT 8.1 Patched ISO" from Microsoft, you must rely on community repositories like Archive.org or specialized forums like XDA Developers. windows rt 81 iso patched
Are you trying to or are you looking to install RT on a different ARM device ? dism /Mount-Wim /WimFile:D:\sources\install
Finding a pre-patched or updated image can save hours of troubleshooting. windows rt 81 iso patched
Because Microsoft officially declared Windows RT dead in 2023 (extended support ended), the community has moved to specialized forums:
The patched Windows RT 8.1 ISO offers several key features: