Install appeared to be successful.
EXPORT from wordpress.com generated file size 2.71 Mbytes with 341 posts, 3 pages and 754 comments
IMPORT to wordpress.org loaded 2, 1 page, zero comments; after numerous attempts.
No errors where displayed on screen after each import attempt.
Is there a log where more information can be found?
Please, anybody, give me a clue as to how to get all of my posts loaded.