Specifications

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3.3 Upgrading from a Previous Product Version
If you are running version 5.20 or later, you can install the new version
without uninstalling the previous version.
If you have an earlier version, upgrade it to 5.20 first, or uninstall it before
you install the latest version. The uninstallation preserves all settings and
the host identity, so you do not need to import the host to the F-Secure
Policy Manager again. For more information, see “Uninstalling Earlier
Version”, 25.
The product upgrade asks for the keycode you have received with the
new version. If you are running an earlier version in the evaluation mode,
you have to provide a valid keycode for the new version during the
upgrade.
If you are running an earlier version in the evaluation mode and you want
to evaluate the latest version, you have to uninstall the earlier version
first. You can install the latest in the evaluation mode during the clean
install.
Manual scanning, scheduled scanning and database update settings
have changed in version 5.30 and later. If you have modified these
settings before the upgrade, you have to make the same modifications
again after the upgrade.
Note that the upgrade deletes all alerts generated with the earlier version.
Upgrading from F-Secure Anti-Virus 4.65
You can upgrade version 4.65 to a command line only installation of
version 5.52 by running the installer normally. Your old configuration file
will be stored as /opt/f-secure/fsav/migration/fsav4.conf. For more
information, see “Installation Instructions”, 18.
If you want to upgrade version 4.65 to the full 5.52 version, uninstall the
old version first and run 5.52 installer normally. For more information, see
“Uninstalling Earlier Version”, 25.
If you do not have a valid keycode during the upgrade, press
CTRL-C to abort the upgrade. The installer uninstalls the product
and you can make a clean install.