@echo off
set "URL=https://proofkit.store/builder"
if exist "%ProgramFiles%\Google\Chrome\Application\chrome.exe" (
  start "" "%ProgramFiles%\Google\Chrome\Application\chrome.exe" --app=%URL%
) else if exist "%ProgramFiles(x86)%\Google\Chrome\Application\chrome.exe" (
  start "" "%ProgramFiles(x86)%\Google\Chrome\Application\chrome.exe" --app=%URL%
) else if exist "%ProgramFiles(x86)%\Microsoft\Edge\Application\msedge.exe" (
  start "" "%ProgramFiles(x86)%\Microsoft\Edge\Application\msedge.exe" --app=%URL%
) else (
  start "" "%URL%"
)