If you are running MtnPOS server in-house, you don't need to do anything since everything is already configured. If you are running MtnPOS server on a dedicated server on Internet, please follow the steps below:
1) Apply a POS account with a domain, e.g. mystore.mtnpos.com
2) Go to Apple App Store on iPad and search "MtnPOS", then install this iPad Sales App (iPad Air 1 and later are recommended):
3) Use Google Chrome to manage products through backend management system:
4) Open up iPad sales app, configure API domain to your own domain, e.g. mystore.mtnpos.com, and then start sales: