... Choose a directory for the new installation. ... UpgradeTwiki <full path to existing_twiki's setlib.cfg> <full path to new_twiki> . ... If you have symlinks under your data/ directory in your existing installation, these are reproduced as actual directories in the new structure. ... Install updated plugins into your new area. ... Follow the installation instructions, and install the new release in a new directory. Copy your local webs over to the data and pub directories of the new install . ...