If there is some unrecoverable error that requires a fresh install, you don't want to lose any data.
Further down in this page there is a list of common problems specific to dnf upgrades for specific versions. General advice on upgrading Fedora can be found on the Upgrading page.
Filthy camsfreee - Live update 5 not updating bios
If you are upgrading using Dnf and it shows any general dependency issues, please file them in Bugzilla.
But please read this page, all references pages and search the mailing list archives before filing bugs. If you want to help make live upgrades work smoothly, join the Live Upgrade Special Interest Group.
It’s also a useful tool to help install different versions of Windows via USB and can also check USB devices for errors.
It is a small, single and self contained portable executable file and the user interface resembles the Format tool in Windows.
MSI Live Update kan levere automatiske eller manuelle opdateringer til disse forskellige systemkomponenter.