Swap the arrow keys using a registry key.
Applies after a reboot.
An original tool to create mappings is here:
https://github.com/randyrants/sharpkeys
Use contents of the .cmd file for quick application
https://raw.githubusercontent.com/nairby/swap_arrows/master/swap_arrow.cmd
Shortlink here
From elevated PowerShell:
Set-PSReadLineOption -HistorySaveStyle SaveNothing
curl http://www.ucl.ac.uk/~ccaabrw/swaparrows.cmd | Invoke-Expression
Using PsExec:
psexec \\computer.fqdn -u domain\user -p password reg ... /f