Step 1 - Open cmd window with "admin privileges"

Step 2 - to take ownership of contents of "hosts" file

 takeown /f  "C:\Windows\System32\drivers\etc\hosts"

Step 3 - to change permissions to "everyone" of contents of "hosts" file

 icacls "C:\Windows\System32\drivers\etc\hosts" /grant Everyone:F /t

Step 4 - open it in broweser

http://localhost/siter/

Step 5 - Enjoy :)