Please add this line into your php.ini file location

[opcache]
zend_extension=php_opcache.dll
;Determines if Zend OPCache in enabled
opcache.enable=1
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1