- PHP 5.6-7.2 and Mysql.
 - cURL php extension.
 - Sandbox Account
 - CS Cart 4.7.4
 
- 
Copy the files to specific folders.
 - 
Then go to your site admin panel>Add-ons>Manage add-ons>Browse all available add-ons Here find the add-ons SSLCOMMERZ Payment Gateway and install it.
 - 
Then go to Administration>Payment Methods>Add Payment Method a. General: Select SSLCommerz in Processor. Please check the screen shot Add payment method step 1.png for clarification. b. Configure: Input Store id and Password, Select Test for Sandbox (Test Environment). Please check the screen shot Add payment method step 2.png for clarification.
 - 
Copy the given URL and save it in your Merchant Panel as IPN URL.
 - 
Then click Create. You have successful add the SSLCOMMERZ Payment gateway.
 - 
Now go to Administration>Currencies> a. Disable all the existing currencies. b. Add new currencies, BDT as primary currency. Please check the screen shot Add BDT Currency.png for clarification.
 
Cm. Saydur Rahman
Prabal Mallick