I got a used MacBook Pro with the Tiger OS 10.4.11. I want to upgrade. Can I go straight to the newest OS, or must it be done in stages? If the latter, what would be the preferred and least expensive method. Thanks.
Thanks Neil. I have a couple of questions. In Step 1: I don't know the year of manufacture; can it be derived from the serial number? In Step 2: It says that if I were running Leopard, I would need to first upgrade to Snow Leopard before I could upgrade to Mountain Lion. Since I am running Tiger, can I still go directly to Snow Leopard and then to Mountain Lion?
Just looked around for other clues and I see that Snow Leopard comes as a DVD, no download online. Problem: the DVD drive doesn't function. Question 3: am I sunk until I get the DVD drive fixed then?
1. Append the last three characters of the serial number to http://www.everymac.com/ultimate-mac-lookup/?search_keywords= and load the modified URL. This will tell you the model year and the maximum compatible OS.
3. Yes, or use an external one.