1) add the following line to sql in option table( To give default site name otherwise it will take domain as Sitename by default)
INSERT INTO `[[dbprefix]]options` VALUES('site_title', '[[site_name]]');
2) If any problem occurs regarding login please check the install.php (in "__mysql()" function)and the manual code for reference.
3) PHP REQUIREMENT LINK : https://www.question2answer.org/