Resources and Downloads: How to upgrade from v3.5? How to upgrade from v3.5? ================================================================================ ksenija dimitrijevic on March 11, 2008 A: You cannot simply upgrade 3.5 to 4.0, because those two versions are pretty much different, you will have to do clean install, with restoring database and /files content. Please follow the next few steps: - make a v3.5 backup and save content of your v3.5 /files folder - do the clean installation of v4 - use the DB Importer plug-in to restore your v3.5 backup to v4 - upload saved content of v3.5 /files folder to v4 /files If you upgrade from some older version you need to upgrade step by step: v3.2 -> v3.25 -> v3.4 -> v3.5