In Windows you need to edit the windows host file in c:\Windows\System32\drivers\etc\host use notepad to edit it.
IP (IPv6), using 128 bits for the address
such as 172.16.254.1 (IPv4), and 2001:db8:0:1234:0:567:8:1 (IPv6).
127.0.0.1 localhost
::1 localhost
If it has a # in front of it remove it.
I have Administrator rights on my system but on your the file may be hidden.
What did you Try? What did you Get? What did you Expect?
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