Download BlueLife Host EditorBlue life editor is a portable and freeware software to help you. It is also available in various languages. You can download Bluelife host editor from its official website from below link:-
How to Edit Host Files Using BlueLife Host Editor
After downloading BlueLife host editor extract the folder to any directory, you don't have to install the software because it is portable and this makes it easy to use. You can check Readme.txt file if you wanna get detail about bug fixes and updates. To run the program double click on "Hostseditor.exe" and you will a window with options to add and remove URLs from your host file for blocking, redirecting and assigning local domain.