Dreamweaver master comes in, how to use the materials and templates I downloaded?

The material of this webpage you are talking about should be a webpage made of flash, which is much more complicated than ordinary webpages. Files should be opened and modified in flash, not dreamweaver. And you have to know the programming language of flash to modify this template and turn it into your own web page. It's not a day or two to learn actionscript for flash.

========================================

If you want to make courseware with web pages, if you browse these web pages on the local area network or on your own machine, the best way is to download a set of web programs, not just templates. For example, article publishing system, free blog system and so on. After downloading, you should install a network server suitable for this program. For example, IIS can be installed on a webpage in aps format, and appserver can be installed on a program in php format. After installing the network server, you can run the downloaded program, open the background of the program like browsing a web page, add text and pictures, publish articles, modify editing columns, set the home page and so on. Doing this is much faster than simply modifying the template to make a web page, and you don't need to learn the knowledge of html and other web page codes. You have a certain foundation and experience in operating qq space background. You only need to know the knowledge of network server installation, program installation and management. There are many articles on the Internet for reference, many programs have their own official website, and you can also find many help words.

========================================

In addition, if you make courseware, you can actually use the slide function of flash, which is relatively simple to make. With a little understanding of flash grammar, you can make illustrated flash courseware.