It is not possible to upgrade directly from vBulletin
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versions 3.7.x and newer due to incompatabilities in data structures.
If you are currently running vBulletin
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, please begin by downloading a version of vBulletin
3.6 from the vBulletin
Upload the extracted files from the archive you download over the existing files here and run the upgrade process until it is complete.
After completing the upgrade process to 3.6.x, download the most recent version of vBulletin
from the Members' area, and upload the extracted files here, then continue to run the upgrade process until it is completed. vBulletin
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