:CheckOS
IF EXIST "%PROGRAMFILES(X86)%" (GOTO 64BIT) ELSE (GOTO 32BIT)

:64BIT

"C:\Users\%username%\AppData\Local\Mozilla Firefox\uninstall\helper.exe" /s
rmdir /s/q "%APPDATA%\Mozilla"
rmdir /s/q "C:\Program Files\Mozilla Firefox"
del "C:\Users\Public\Desktop\Firefox.lnk"
del "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Firefox.lnk"

GOTO END


:32BIT

"C:\Program Files (x86)\Mozilla Firefox\uninstall\helper.exe" /s
rmdir /s/q "%APPDATA%\Mozilla"
rmdir /s/q "C:\Program Files\Mozilla Firefox"
del "C:\Users\Public\Desktop\Firefox.lnk"
del "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Firefox.lnk"

GOTO END

:END