Windows 10
Flushing the DNS cache on Windows 10 is easy. Due to system security permissions, you must ensure that you run the command prompt as an administrator user.
- Ensure that you're on the Windows 10 desktop.
 - Right click on the start menu and choose 
Command Prompt (Admin)from the menu. - Type in the command 
ipconfig /flushdns 
Windows 8 / Windows 8.1
Flushing the DNS cache on Windows 8 and Windows 8.1 is easy. Due to system security permissions, you must ensure that you run the command prompt as an administrator user.
- Ensure that you're on the Windows 8 Start Screen.
 - Simply type 
cmdand the Windows search bar will appear on the right hand side with search results. - Right click on 
Command Promptand clickRun as administrator - Type in the command 
ipconfig /flushdns 
Windows Vista / Windows 7
Flushing DNS on windows vista or windows 7 is easy. Make sure to run the command prompt with administrator privileges.
- Click the start button and navigate to the command prompt (Start > All Programs > Accessories > Command Prompt)
 - Make sure that you right click on the command prompt application and choose "Run as Administrator"
 - Type in the command 
ipconfig /flushdns 
Windows 98/NT/2000/XP
Flushing the DNS on Windows is an easy process, outlined below is the steps that should be run if you wish to clear your DNS cache.
- Open up a command prompt (Start > Run > 
cmd.exe> OK). - Type in the command 
ipconfig /flushdns 
