Change TCP/IP settings

TCP/IP defines how your PC communicates with other PCs.

To make it easier to manage TCP/IP settings, we recommend using automated Dynamic Host Configuration Protocol (DHCP). DHCP automatically assigns Internet Protocol (IP) addresses to the computers on your network if your network supports it. If you use DHCP, then you don't have to change your TCP/IP settings if you move your PC to another location, and DHCP doesn't require you to manually configure TCP/IP settings, such as Domain Name System (DNS) and Windows Internet Name Service (WINS).

To enable DHCP or change other TCP/IP settings (Windows 10)

1. Select Start , then select Settings  > Network & Internet  > Wi-Fi .
2. Select Manage known networks, choose the network you want to change the settings for, then select Properties.
3. Under IP assignment, select Edit.
4. Under Edit IP settings, select Automatic (DHCP) or Manual.
   • When you select Automatic (DHCP), the IP address settings and DNS server address setting are set automatically by your router or other access point (recommended).
   • When you select Manual, you can manually set your IP address settings and DNS server address.
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   To specify IPv4 settings manually

   1. Under Edit IP settings, choose Manual, then turn on IPv4.
   2. To specify an IP address, in the IP address, Subnet prefix length, and Gateway boxes, type the IP address settings.
   3. To specify a DNS server address, in the Preferred DNS and Alternate DNS boxes, type the addresses of the primary and secondary DNS servers.

   To specify IPv6 settings manually

   1. Under Edit IP settings, choose Manual, then turn on IPv6.
   2. To specify an IP address, in the IP address, Subnet prefix length, and Gateway boxes, type the IP address settings.
   3. To specify a DNS server address, in the Preferred DNS and Alternate DNS boxes, type the addresses of the primary and secondary DNS servers.
5. When you’re done, select Save.

To enable DHCP or change other TCP/IP settings (Windows 8.1 or 7)

1. Do one of the following:
   • In Windows 8.1, select the Start button, start typing View network connections, and then select View network connections in the list.
   • In Windows 7, open Network Connections by selecting the Start button, and then selecting Control Panel. In the search box, type adapter, and then, under Network and Sharing Center, select View network connections.
2. Right-click the connection that you want to change, and then select Properties. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
3. Select the Networking tab. Under This connection uses the following items, select either Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 (TCP/IPv6), and then select Properties.
4. To specify IPv4 IP address settings, do one of the following:
   • To get IP settings automatically using DHCP, select Obtain an IP address automatically, and then select OK.
   • To specify an IP address, select Use the following IP address, and then, in the IP address, Subnet mask, and Default gateway boxes, type the IP address settings.
5. To specify IPv6 IP address settings, do one of the following:
   • To get IP settings automatically using DHCP, select Obtain an IPv6 address automatically, and then select OK.
   • To specify an IP address, select Use the following IPv6 address, and then, in the IPv6 address, Subnet prefix length, and Default gateway boxes, type the IP address settings.
6. To specify DNS server address settings, do one of the following:
   • To get a DNS server address automatically using DHCP, select Obtain DNS server address automatically, and then select OK.
   • To specify a DNS server address, select Use the following DNS server addresses, and then, in the Preferred DNS server and Alternate DNS server boxes, type the addresses of the primary and secondary DNS servers.
7. To change advanced DNS, WINS, and IP settings, select Advanced.