Thanks, Roger and Pat!
I'm not having a specific problem, just experiencing the slows sometimes.
I have to re-start the computer more and more often to clear it up, it seems.
I was wondering if all the photos, bookmarks, folders, and other saved information and data need to be more frequently cleaned out/sorted through/partially eliminated.
I wasn't aware that the IMac's don't require any anti-virus, anti-spyware, etc., although I knew they were mostly free of the pathogenic stuff aimed at the PC and Windows users.
I do all the updates as soon as they are available, even for some programs I'm not curently using.
I have had a problem not being able to open Windows /Word documents because I refuse to pay them the tariff for their system I prefer not to use, and have found I can't read some PDF files, even though I've downloaded the latest Adobe Reader that is supposedly required according to the document's instructions.
Thanks for the encouragement and support!
Joe. :teeth :thup