Recently, I had a helpdesk call that went something like this...
"Hi, what can I help you with?"
"Oh, hi, I was wanting to install ;) and the box says it requires Lotus Notes 5.0.3 or higher."
"Right."
"Well, I have Notes 5.0.11, where can I get an upgrade?"
"Oh. I see. Well, 5.0.11 is...