@echo off
for /f %%i in ('dir /a /b d:\bt\*.reg') do echo 正在注册%%i,请稍候... & regedit /s "d:\bt\%%i" & cls
echo 注册完成,按任意键退出...
pause>nul
exit

@echo off 

for /r "C:\test" %%i in (*.reg) do (

  echo 正在注册%%i,请稍候...

  regedit /s "%%i"

  cls

)

echo 注册完成,按任意键退出...

pause>nul