Looking for older version of V7 and V8 software

Looking for one of the older releases of EFILive to "update" to. Admittedly, I am stuck pretty far back in terms of software releases, but have a need to work on a 2015 Silverado. While reading through all the release notes, saw that the newer versions require the newer Windows. Unfortunately, my old faithful laptop is old and still running XP (if it ain't broke :)). Anyway, I decided to try a slightly older release and was trying to download the September 2018 public release version but the links are broken.

http://download.efilive.com/Software...5.24_Setup.exe
https://download.efilive.com/Softwar...2.20_Setup.exe

Can someone help me with getting these install files?

Since not getting much help with my initial post, maybe some clarification about where EFILive stands today will help guide this discussion. When I look at the latest public release, it only shows a download for the V8 package. It also states very clearly not to update to one of the newer firmware as it is no longer compatible with the V7.5 software. So for someone who still uses the V7.5 software, but also needs to get the newer V8 software, which release should I use?

I went back through some of the older releases which would in theory work for me, but the links to the downloads no longer work.

Ive looked on all my computers and dont have that version your looking for.
Im using 8.3.7 build 568 and 7.5.36 on one laptop and no problems.

But i cant find any of my download files for those versions

I think those might work, and I would like to give them a try. Can you send me a copy of the V8 and V7.5 install files? I know they are too big to email, but I have used services like wetransfer or drop send in the past. Please send to turbo_bu at ya hoo dot com.