You can install it from your original CD. Adobe will not provide digital downloads for this retired product.
For new projects, do yourself a favor and switch to (free) or Adobe InDesign . These tools will save you time and ensure your documents are printable in the modern era. Adobe Pagemaker 7.0 Free Download Full Version
However, before you proceed with downloading and installing this software, it is vital to understand its current status, system requirements, and the potential risks involved. This article covers everything you need to know. You can install it from your original CD
The Legacy of Adobe PageMaker 7.0: A Pillar of Desktop Publishing Adobe Pagemaker 7.0 Free Download Full Version
You do not need PageMaker. Here are three free programs that can (with some caveats):