@ echo off
: : set to permanent joining in the path environment variable path
The set My_PATH=% ~ dp0bin

Set the PATH=% % PATH; My_PATH % %
Reg the add in registry key HKLM \ SYSTEM \ CurrentControlSet \ "Control, Session Manager, the Environment," "Path"/t REG_EXPAND_SZ/d/v "% % Path"/f
The exit

the result after adding path environment variable more "/f symbols