Here is an Ebay listing for Cakewalk SONAR 4 Home Studio Edition CD.

https://www.ebay.com/itm/Cakewalk-Sonar-4-Home-Studio-Edition-cd/324451173588

$26 with free shipping

This will do the job as a simple MIDI sequencer.
It runs on Windows XP and Windows 7.

But then again why bother when you can download and install Cakewalk by BandLab for FREE that runs on Windows 10 and Windows 7.