Help needed for configuring router with mikrotik SXT Lite5

Hello everyone,
I am new to network configuration you can consider me a newbie who don’t even know the basic fundamentals of network configuration. Recently i opted for a point to point connection and all the configuration was done by my ISP provider. Till now i am using my connection with a single PC only. Now i decide to share my internet through a router, So i bought a router and tried to configure it but i fail to configure it and in mean while i called my ISP provider for configuration and they too fail in configuration. Till now i was googling on this topic but didn’t get much information so i decided to post my issue on this forum.

I have a Digisol Router having model number - Digisol DG-HR3400 ( https://www.amazon.in/Digisol-DG-HR3400-300Mbps-Wireless-Broadband/dp/B00IL8DR6W )
For connection i am using MikroTik SXT Lite5 antenna.

Apart from the above information i don’t know much about configurations. Kindly help to resolve my issue ASAP.

Thank You.