In order to install myPOS Checkout plugin, please download the module v.5.2 from here, v.5.3 from here or v.5.4 from here, and follow the described steps below.
1. Sign in to your X-Cart administration area
2. Upload add-on
Go to “Modules” section and press “Upload add-on” button
a) Upload add-on pop-up will appear where you should choose file in the .tar format and install it by clicking the “Install add-on” button.
b) Installing process