A menu will appear. Select Create Shortcut Here . Repeat steps 2 and 3 until you have all the folders you need. When you publish your pages, you can drag the index.html file and whatever folders and files are needed. They will be copied to the live area.
Some software adds the html extension automatically.
In other cases, you will have to add it yourself. Never use spaces. Try to keep file names short to reduce the number of typos for people typing in URLs. All pages should be assigned a title. Therefore, it must contain information relevant to what is on the page in order to be useful.