Here is vBulletin 4.2.3 this is a beta and it's a little bit older but I'm posting it for anyone that had problems getting the new 5.1.x versioins to work good.
To see what vBulletin 4 is like, you can go here
http://vb4.onverify.com/forum.php
vBulletin Releases
vBulletin-4.2.3-Beta-1-[NULLED]
Submitted by guntherbb, 22-04-2015, 10:19 AM, Thread ID: 3116
Thread Closed
RE: vBulletin-4.2.3-Beta-1-[NULLED] 22-04-2015, 10:23 AM #2 Like some, love some, trust none.
22-04-2015, 10:23 AM
#2 RE: vBulletin-4.2.3-Beta-1-[NULLED]
RE: vBulletin-4.2.3-Beta-1-[NULLED] 22-04-2015, 10:44 AM #4 Like some, love some, trust none.
22-04-2015, 10:44 AM
#4 RE: vBulletin-4.2.3-Beta-1-[NULLED] 10-06-2017, 01:43 PM #5
10-06-2017, 01:43 PM
#5 RE: vBulletin-4.2.3-Beta-1-[NULLED] 10-06-2017, 02:14 PM #6
10-06-2017, 02:14 PM
#6 RE: vBulletin-4.2.3-Beta-1-[NULLED] 11-06-2017, 09:56 PM #7
11-06-2017, 09:56 PM
#7 RE: vBulletin-4.2.3-Beta-1-[NULLED] 11-06-2017, 11:04 PM #8
11-06-2017, 11:04 PM
#8 RE: vBulletin-4.2.3-Beta-1-[NULLED] 18-08-2017, 02:00 PM #9
18-08-2017, 02:00 PM
#9 RE: vBulletin-4.2.3-Beta-1-[NULLED] 01-10-2017, 06:59 AM #10
01-10-2017, 06:59 AM
#10