Your first step should be to contact an authorized Wilcom reseller in your region. While version 9 is discontinued, it's remotely possible that a reseller may have an old, unsold physical boxed copy. A list of authorized partners can be found on the official Wilcom website.

This is the most important section of this guide. While your search for "wilcom 9 single setup download" suggests a desire to simply get the software online, it is

Have you successfully installed Wilcom 9 on Windows 11? Share your experience in the comments below (but please, no links to cracked software).

If you find a "free download" for Wilcom 9, you are dealing with illegal software. The risks of using such pirated software are severe:

As operating systems evolved, compatibility became tricky. A blog post from 2012 explicitly noted that Wilcom version 9 does not support Windows 7. This is a critical point for anyone hoping to run it natively on a modern Windows 10 or 11 machine.