HOTO install GSPAY payment module for Opencart system 
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1. Unpack (unzip) archive into temp directory
2. Place (upload by ftp) includes folder to the your Opencart base directory on server
3. Check that all files listed below exists on server
		modules/checkout/gspay/
		modules/checkout/gspay/images/
		modules/checkout/gspay/images/gspay.gif
		modules/checkout/gspay/lang/
		modules/checkout/gspay/lang/en/
		modules/checkout/gspay/lang/en/language.ini
		modules/checkout/gspay/module.gspay.php
4. Check that your PHP includes CURL with SSL support (see http://www.php.net/manual/en/ref.curl.php for details or contact your hoster)
5. Open ISC admin panel in web browser
6. Go to the Checkout Settings or Payment Methods 
7. Select "Gspay" module
8. Enter site ID of your site in GSPAY system and Merchant ID in the GSPAY tab
9. Save setup

