I suggest you start with notepad, because if you know how to do simple HTML programming you will be able to sort out many of the minor glitches you will undoubtably come across as you create or update your site.
Now Save the empty file as index.html
Problems you may encounter
If you have set up your computer to hide file extensions of known file types, you may have problems saving your file as an html file because Windows will automatically add .txt to the end of the filename you entered.
This may be a bit confusing as the file name you see will be the one you put in, but when you click it notepad runs and not your web browser!
Solve it
open my computer goto the "Edit" or "Tools" menu at the top of the window and click on the "folder Options...". Now click on the "view" tab at the top of the pop up box that appeared. scroll down the list of options and make sure that the one which says "Hide file extensions for known file types" has not got a tick next to it. Click "Apply" then "OK" and save the file again