Press Windows button + s to lunch the search bar and type cmd to lunch the command prompt and lunch it as administrator.

1. ipconfig – To find out what IP you are using but not all details, where is your MAC address? Where is your DNS?
2. ipconfig /all – It will show you all your IP information.
3. ipconfig /all | findstr DNS – To filter the DNS. You can use find string (findstr) on any command.
4. ipconfig /release -Maybe your computer needs a new IP address, use this command to let go of the old IP.
5. ipconfig /renew – To get a fresh new IP address. be advised that it will refresh all your interfaces.
6. ipconfig /renew “Wi-Fi” – If you dont wanna do that then simply specify the interface just after your command.
7. ipconfig /displaydns – If you are having a problem with your DNS, use this command to display basically all the website it knows about and their IP addresses.
8. ipconfig /displaydns | clip – To copy all the information to the clipboard. (very useful command).
9. ipconfig /flushdns – This will delete your DNS resolver cache on your computer, removing old stale DNS.
10. nslookup – To troubleshoot DNS more use this command, “nslookup vinrade.com” it will tell you what a domains IP address, DNS server.
    • C:\WINDOWS\system32>nslookup vinrade.com
    • Server: ns1.prima.net.id
    • Address: 202.57.0.8
    • Non-authoritative answer:
    • Name: vinrade.com
    • Address: 64.37.52.172
11. To find out more information on DNS use the following commands.
    • nslookup vinrade.com 8.8.8.8 – youll get a second opinion from google.
      • C:\WINDOWS\system32>nslookup vinrade.com 8.8.8.8
      • Server: dns.google
      • Address: 8.8.8.8
      • Non-authoritative answer:
      • Name: vinrade.com
      • Address: 64.37.52.172
12. Other commands you can use for DNS are:
    • nslookup -type=mx
    • nslookup -type=txt
    • nslookup -type=ptr
13. cls – To clear the screen
14. getmac /v – To get your Mac address
15. powercfg /energy – This command will see if you have any energy or power issues with your computer.
    • C:\WINDOWS\system32>powercfg /energy
    • Enabling tracing for 60 seconds…
    • Observing system behavior…
    • Analyzing trace data…
    • Analysis complete.
    • Energy efficiency problems were found.
    • 4 Errors
    • 9 Warnings
    • 32 Informational
    • See C:\WINDOWS\system32\energy-report.html for more details.
16. powercfg /batteryreport – It will tell you about your battery life status.
    • C:\WINDOWS\system32>powercfg /batteryreport
    • Battery life report saved to file path C:\WINDOWS\system32\battery-report.html.
17. assoc – It will tell you which file is associated with what program.
18. if your computer is getting slow try these commands.
    • chkdsk /d (d= your drive letter). – It will check your HDD and see if there is any error.
    • chkdsk /r – To check the physical sector issues and fix ’em.
    • sfc /scannow – system file checker, checking DLL files and fix ’em.
19. DISM /Online /Cleanup-Image /CheckHealth – Deployment Image Servicing and Management, its a command line tool that will actually fix your system image.
    • DISM /Online /Cleanup-Image /ScanHealth – To find more issues.
    • DISM /Online /Cleanup-Image /RestoreHealth – To fix the issues.
20. netsh wlan show wlanreport – This will give you a fancy report about your wireless.
21. netsh interface show interface. – Showing you your interfaces.
22. netsh interface ip show address | findstr “IP Address” – To find IP addresses.
23. netsh interface ip show dnsservers.
24. netsh advfirewall set allprofiles state off – To shutdown windows bitdefender firewall with one command.
25. netsh advfirewall set allprofiles state on – To turn it on.
26. ping – To check network connectivity.
27. ping -t – Continues ping.
28. tracert – Trace Route, trace the path to your favorite website along each router to get there.
29. tracert -d – Do not resolve domain names a little bit faster.
30. netstat – Tells you what’s connected to you and what you’re connecting to.
31. netstat -af – Tells you what ports you have open
32. netstat -o – Show you all the process ID for all your connections, so if there is anything dangerous connected to you you can drop that PID.
33. netstat -e -t – Gives you sent and receive statistics every 5 seconds.
34. route print – Show the routes your computer will take to get to certain nerworks.
35. route add – To add a route to our computer, to customize the way our computer reaches certain networks.
36. route delete – to delete the route.
37. shutdown /r /fw /f /t 0 – to restart your computer and go straight to the system BIOS without pressing any function key.