Start -> Control Panel
Click on Network and Sharing Center.
On the left side under ‘Tasks‘, click ‘Manage Network Connections‘.
Right click on ‘Local Area Connection‘ and click ‘Status‘. From there, click on ‘Details‘.
You will be presented with a whole list of information. Note down the ‘IPv4 Subnet Mask‘, ‘IPv4 Default Gateway‘, and the two ‘IPv4 DNS Servers‘. Afterwards, simply clock Close.
Right click on ‘Local Area Connection‘ again and click ‘Properties‘. Highlight ‘Internet Protocol Version 4 (TCP/IPv4)‘ and click on Properties.
Choose ‘Use the following IP address‘ and fill in the fields with the information provided previously when you clicked Details. This will be the settings for your first IP address.
To specify the additional IP addresses, click on Advanced. Click ‘Add‘ under ‘IP addresses‘ to add more IP addresses.
The ‘IP address‘ should be the IP address. The ‘Subnet mask‘ should be same as the one for the first IP address.
From there, click Add, OK, OK (and so on) to save and apply these settings.