Hi Mike,
Since your existing version 8.82 PL 10, you are not allowed upgrade to 9.0 version. But you can upgrade to 9.0 PL04 and this is the latest version of 9.0.
Note: 9.0 PL04 fixes all bug fixed in this release ( including 8.82 PL10)
Hope helpful.
Thanks & Regards,
Nagarjan