Echo off but messages are displayed

Question

I turned off echo in bat file.

@echo off

then I do something like this

...
echo %INSTALL_PATH%
if exist %INSTALL_PATH%(
echo 22         


        

Answer 1

@echo off
// quote the path or else it won't work if there are spaces in the path
SET INSTALL_PATH="c:\\etc etc\\test";
if exist %INSTALL_PATH% (
   //
   echo 222;
)