Log into the OpenCart administration: Enter your online shop link https://domain.com/admininto the online browser; in this, change the com string into your domain name.
Click Extensions and select Extension Installer from the dropdown, on the left side of the menu.
Installation:
click the Upload button and
select the GoCrypto plug-in from the list of files.
The plug-in will upload automatically.
Click Extensions and select Payments from the dropdown, on the left side of the menu. Select GoCrypto from the list. Click Install and then Edit.
Change the Status option into Enabled to activate the plug-in.
Enter your Client ID (received by e-mail) into the Client ID field.
Enter your Client Secret (received by e-mail) into the Client Secret field.
