NAGARAJ MAMEDI - 2017-01-24

Unable to install orangehrm, stuck with error "install.php" on line 210

1) Successfully installed XAMPP for Window10 without any errors
2) downloaded and did a copy paste of orangehrm-3.3.3 in c:\xampp\htdocs\orangehrms-3.3.3
3) from browser navigated to "http://localhost/orangehrm-3.3.3'
4) Clicked 'Next' in Welcome page and 'Accepted' in lincence page
5) In 'Database Configuration page' selecte 'New Datatbase' without any changes and provided password for Database user and Orange HRM database and click on 'Next'
6) Alway getting following error on url: "http://localhost/orangehrm-3.3.3/install.php"
Fatal error: Uncaught Error: Call to undefined function mysql_connect() in C:\xampp\htdocs\orangehrm-3.3.3\install.php:210 Stack trace: #0 {main} thrown in C:\xampp\htdocs\orangehrm-3.3.3\install.php on line 210
Also please find attachment with screenshots

Environment
Windows 10
xampp (xampp-win32-7.0.13-1-VC14-installer)
orangehrm-3.3.3

Thanks,
Nagaraj