The upgrade instructions from the Online Manual have now been updated to include version 4.x. Please find these here:
http://www.vbulletin.com/forum/conte...e-Instructions
http://www.vbulletin.com/forum/conte...e-Instructions
vBulletin 4.2.5 is end of life and will not be receiving any future development. Warning: vBulletin 4.2.5 is not compatible with PHP 7.2.0 or higher.
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