You found this post by your own or you got an email from our Support Engineers.
With this post we will give you our suggested way to install the October CU and with that to be at the latest binaries we currently delivered.
DLC means Document LifeCycle Workflow.
Language packs are available: http://www.microsoft.com/downloads/results.aspx?DisplayLang=en&nr=20&freetext=sharepoint+language+pack&sortCriteria=date
All needed information to install Service Pack 1 http://blogs.msdn.com/sharepoint/archive/2007/12/11/announcing-the-release-of-wss-3-0-sp1-and-office-sharepoint-server-2007-sp1.aspx
MOSS Infrastructure update (IU) languages specific; not needed but here listed for your reference. Infrastructure Update for Microsoft Office Servers (KB951297) - x86 Infrastructure Update for Microsoft Office Servers (KB951297) - x64
WSS 3.0 language specific http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=957109&kbln=en-us
MOSS 2007 DLC language specific workflow http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=955586&kbln=en-us Remark: Only the "English" version available but that is the right step to install this fix.
WSS 3.0 Global http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=957691&kbln=en-us
MOSS 2007 Global http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=957693&kbln=en-us
MOSS 2007 Language Specific http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=958567&kbln=en-us
MOSS 2007 DLC Workflow Hotfix http://support.microsoft.com/hotfix/KBHotfix.aspx?kbnum=958569&kbln=en-us
For any other updates please check the official blog of the SharePoint product group: http://blogs.msdn.com/sharepoint/