how to install os 7

[Swerseavers]

who help me install os 7 and setup security on os 7

[scottro]

We realize that it can be difficult to know what information to give. However, with a post like that, almost no one will be able to help. What is OS 7? It sounds like a Macintosh distribution, but as you're posting on CentOS, we can guess that it means CentOS-7.x
Please don't take this wrong, but take a look at the links in my signature for posting guidelines.