See: https://superuser.com/questions/723703
Your operating system will cache DNS lookups. You can either reboot or run the following commands to
manually flush your DNS cache once the new hosts file is in place.
+| Chromium/Google Chrome required manually cleanup DNS Cache on `chrome://net-internals/#dns` page for apply changes from custom hosts file. See: https://superuser.com/questions/723703
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### Windows
Open a command prompt with administrator privileges and run this command: