How To Purchase an Upgrade LicensePlease read
these instructions.
Download and Install The New VersionMC34 is on the
Download Page. A newer build may be at the top of this board.
Find Your License and Restore itYou can send yourself your licenses from the Restore Page. Please read
Restoring a License .
Moving Your Data and MC DatabaseWhen you install MC for Windows, it will find your old database, copy it and use it. It should just work when you run it. You can also restore your settings at the same time.
On Mac or LinuxThis is also automatic. If necessary, you can restore a backup from a previous version. MC makes them automatically. Search for files ending in .zip. Restore is under File > Library.
Backup and Restorehttps://wiki.jriver.com/index.php/Library_Backuphttps://wiki.jriver.com/index.php/Restore_a_libraryBackups can contain settings and thumbnails.
What About Your Old Version?Keep it as long as you want. Uninstall it when you're happy with your new version. Uninstalling doesn't affect the new version or your data.