Can I install 'Fresh' 5.1 into Ubuntu 10.4 (Lucid Lynx)?

can I install ‘Fresh’ 5.1 into Ubuntu 10.4 (Lucid Lynx)?
And if so, which download option should I choose:
Linux x64 deb or rpm?
or
Linux x86 deb or rpm?

Ubuntu 10.4 is rather old and I expect LibO 5.1 is unlikely to run, let alone be tested. I would try downloading an older version is you are unable to upgrade Ubuntu. See Index of /libreoffice/old for older versions of LibO. For Ubuntu 10.04 you should use Linux x86 deb. …Peter