A favorite of Mac users is Adobe Page Mill. Freeware I just recently discovered AOLpress . I find it very useful for quick webpages. It is easy to us and writes nice clean HTML code. If you are going to include graphics in your Web Pages you will need software to manipulate the graphics files.
Minimum requirements are for a program that can change file formats and image size.
If you are going to do imagemaps or animations you will need more software. You should be aware that most Web graphics use the .gif file format. Graphics programs You can use Paintbrush that comes with Windows, a commercial program, or shareware. Two good shareware programs are WinJPEG and Paint Shop Pro. File converter program WinJPEG or any program that will save files in a variety of formats can be used.