Another powerful function is the ping command. And, then, there's the register DNS to update the DNS settings on your PC. Then, there's the flush DNS to flush or clear your current DNS resolver cache logs. The display DNS option, which is to show your current DNS resolver cache logs. You can, it can be used if your PC is set to automatic IP address set up mode which uses DHCP. In addition, here are some other options that are more advanced the release option to release your PC's current IP information and obtain a new IP address from the DHCP server, then, there's the renew option to renew your IP address. And you can see all the information down there. It gives you all information related to your IP configuration that you're going to use on your network. And, among them, the slash all option is most powerful. You will get your IPv4 address, IPv6 address, in addition, your subnet mask, default gateway, and more information as you can see down there. Then, you will get a lot of information as shown in the red box down here. The next step is to type IPconfig into your command window that you have right here and that's what I did over there. And, if you type in CMD, which stands for command, and then click on the OK button, then you will get the command prompt window like this.

Then, in Windows 7 or Windows 10, by clicking on that Windows key and also the R button simultaneously, it will automatically open up the Run box as you can see right here. Now, if your computer has a keyboard that is a Windows key included keyboard, which is the one that you see right here. And then you can go through the options of all apps, Windows system, then command prompt which, you see, is right here. In a Windows 10 based computer, you can click on the window button, which is the button down there. And then you'll be able to open the command prompt window. In a Windows 7 based computer, you can click on the window button which is the button down there and all programs, accessories, then go down to the command prompt - what you see right here. Now, we start with opening the command prompt window. In this lecture, we're going to study about how to check your IP configuration on your PC or your laptop computer.

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