You can enter your windows command prompt simply by pressing your windows key along with your R key. Win+R
This command is very useful if you want to see your internet details. Your IP address, your subnet mask, DHCP details and more.
Super useful command that tells you every bit of info about your computer. OS, your processor, your memory, the date your system was installed and lots more.
This is how you use this command. type: tracert fixya.com
You can set any IP or web address you want to track. Tracert is very helpful in finding out if there is a choke somewhere between you and some site that's giving you problems. It's basically a simple way to find out the IP address of any webpage you want, along with the latency.
For those that want more in detail stuff, check out this article.
Advanced Command Prompt or CMD Tricks for Windows 10 8 7