Copy the files bookmark.nsf, desktop6.ndk, names.nsf, dircat.nsf, user.id (any_name.id), Mail (folder and user.dic.
You can find those from C:\Program Files\Lotus\Notes\data
After installing the Lotus Notes on the new machine, copy over the files mentioned above on the same directory.
Then proceed on the normal set-up. I’m assuming you know your Lotus notes server name.. because it is important. to connect to the right server.