How can I configure this on my router

Hello, I have a direct on pc modem that has already been configured from the isp and gives out ip address to systems connected to it automatically, How can I configure my mikrotik. Below are the modem details

Software Configuration
NAT:Enabled
DHCP:Enabled on Lan1
Firewall:Enabled (from NOC)
Turbo Page:Enabled

HN7000S Info

Software Date:Nov 5 2009, 15:54:10
Software Release:5.8.0.72
LAN1 IP Address:192.168.0.1
LAN1 Subnet Mask:255.255.255.0
LAN1 MAC Address:00:80:AE:59:77:D5

NAT IP Address: 41.204.237.157
NAT Subnet Mask: 255.255.255.255

Thanks

What do you want to use the mikrotik for?