IPS Community 4.7.5

How to install this files? i dont have any inside of conf_global.php and get this error:

IPS\Db\Exception: Access denied for user ''@'localhost' (using password: NO) (1045)
#0 C:\wamp64\www\system\Db\Db.php(356): IPS\_Db->_establishConnection(false)
#1 C:\wamp64\www\system\Db\Db.php(487): IPS\_Db->checkConnection(false)
#2 C:\wamp64\www\system\Db\Select.php(388): IPS\_Db->preparedQuery('SELECT conf_key...', Array, true)
#3 C:\wamp64\www\system\Db\Select.php(286): IPS\Db\_Select->runQuery()
#4 C:\wamp64\www\system\Settings\Settings.php(173): IPS\Db\_Select->setKeyField('conf_key')
#5 C:\wamp64\www\system\Settings\Settings.php(122): IPS\_Settings->loadFromDb()
#6 C:\wamp64\www\system\Http\Url\Friendly.php(671): IPS\_Settings->__get('furl_configurat...')
#7 C:\wamp64\www\system\Http\Url\Friendly.php(90): IPS\Http\Url\_Friendly::furlDefinition()
#8 C:\wamp64\www\system\Http\Url.php(279): IPS\Http\Url\_Friendly::createFriendlyUrlFromComponents(Array, '/admin/install')
#9 C:\wamp64\www\system\Request\Request.php(276): IPS\Http\_Url::createFromString('http://192.168....', true, true)
#10 C:\wamp64\www\applications\core\modules\setup\install\systemcheck.php(45): IPS\_Request->url()
#11 C:\wamp64\www\system\Dispatcher\Controller.php(118): IPS\core\modules\setup\install\_systemcheck->manage()
#12 C:\wamp64\www\system\Dispatcher\Setup.php(220): IPS\Dispatcher\_Controller->execute()
#13 C:\wamp64\www\admin\install\index.php(14): IPS\Dispatcher\_Setup->run()
#14 {main}