I cannot vouch for any of this and this still requires coming up with your own Windows 8.1 x64 ISO in the appropriate language.
http://forum.xda-developers.com/showthread.php?t=2711610.
You may have already tried this... or a variant but maybe not ... again this is just some stuff I found on the Internet ymmv.
http://forum.tabletpcreview.com/microsoft/61252-recreate-recovery-partition-surface-pro.html
http://forum.xda-developers.com/showthread.php?t=2711610.
You may have already tried this... or a variant but maybe not ... again this is just some stuff I found on the Internet ymmv.
http://forum.tabletpcreview.com/microsoft/61252-recreate-recovery-partition-surface-pro.html