Assuming this is a serious question, I don't know which kind of Html editing you were used to in Win 7...
Html files itself are just plain text files, which you edit with the Notepad editor that comes with Windows, some people use WYSIWYG editors for that (where you can do the editing putting objects together the "visual way" or comfortable text editors with syntax highlighting etc.
Google "comfortable html editor" brings up sites like that:
http://sitebeginner.com/build/freehtmleditor/