First you need to go on your Control Panel
then click on Network and Sharing Center
and click on Ethernet like on the above screen and properties
On Internet IP Protocol Version 4 (TCP/IP)
First select Use The Following IP Address
In IP Address field, enter your vps main (the ip you got with the server) ip (not the additional ip)
In Default Gateway enter your vps main ip (just like above) but replace the last number series by 1 (eg : 185.45.192.121 => 185.45.192.1 or for 185.45.192.5 => 185.45.192.1)
in Subnet Mask and others non-surrounded field set the value as on the below screen.
Once done click on Advanced and then in IP Address and Add
and from here you enter your additional IP and 255.255.255.0 as Netmask.
Then Click on ok to save change.
If you have any issue please open a ticket.
then click on Network and Sharing Center
and click on Ethernet like on the above screen and properties
On Internet IP Protocol Version 4 (TCP/IP)
First select Use The Following IP Address
In IP Address field, enter your vps main (the ip you got with the server) ip (not the additional ip)
In Default Gateway enter your vps main ip (just like above) but replace the last number series by 1 (eg : 185.45.192.121 => 185.45.192.1 or for 185.45.192.5 => 185.45.192.1)
in Subnet Mask and others non-surrounded field set the value as on the below screen.
Once done click on Advanced and then in IP Address and Add
and from here you enter your additional IP and 255.255.255.0 as Netmask.
Then Click on ok to save change.
If you have any issue please open a ticket.