1. Close any browser you have.
2. Open the Command Prompt
Windows XP: Click on the Start Menu and click Run. Type in cmd and hit enter.
Windows Vista/7: Type cmd in the search bar, right click on cmd and pick “Run as administrator”
Windows 8 & 10: Press Win key (windows logo key) and X on your keyboard. Click on Command prompt.
3. Type “ipconfig/flushDNS” without quote and hit enter.
4. Re-open your browser.