__Always make a backup first__. A lot of effort was put into creating reliable installation and upgrade processes and making them as easy and quick as possible. However, there are many different server setups, some of which might cause a problem.
! Your data
-The following files and directories contain dynamically stored data - in other words, data that you or your users created. Copy these files or directories to your new installation:
+The following files and directories [http://www.resumesplanet.com|resume service] contain dynamically stored data - in other words, data that you or your users created. Copy these files or directories to your new installation:
+* First visit your site at http://my.bitweaver.site/. In some cases we force you to visit the installer.
+* If you don't have to visit the installer, please go to Administration >> Kernel >> Packages. Here you will see various tabs that will inform you if you should visit the installer and what needs to be done to fix your bitweaver install.
+* Finally, please visit Administration >> Kernel >> System Cache and clear out your entire cache to get rid of old files.
! Upgrades in version 2
+!! from 2.1.x to 2.5.0
+Our installer has undergone a major overhaul. Now it is possible to do database upgrades independently of release versions and now packages can register requirements. The installer should guide you through the upgrade. Please follow the instructions in the installer carefully.
+
!! from 2.0.x to 2.1.0
Despite our best efforts, we were unable to avoid a couple of small database changes. We've tried to keep things as simple as possible for you to upgrade.
# Follow the steps above by creating a backup of the database and moving the old files out of the way and placing the new files in their stead.
# Copy across your storage folder, configuration files, and custom theme.
+# As soon as you try to browse bitweaver now, you will be forced to visit the installer.
# Visit the installer on the __Resolve Conflicts__ page. On this page you will see a couple of things that should be done. These can all be dealt with by clicking on the buttons: {code source=Text title="Resolve Conflicts"}http://your.bitweaver.site/install/install.php?step=4{/code}
# If you have been using ((TreasuryPackage|Treasury)), please visit the upgrade script: {code source=Text title="Treasury upgrade"}http://your.bitweaver.site/treasury/admin/database_to_libertymime.php{/code}