XCode 4 free with OS X Lion

Discussion in 'Mac OS X Lion (10.7)' started by leo.andres.21, Sep 22, 2011.

  1. leo.andres.21 macrumors regular

    Oct 14, 2008
    Centre of the Attention
    Apple is currently selling Xcode 4 for free, but when I try to buy it, it says I need to update to OS X 10.7 Lion.
    I am currently learning Objective C Programming, but the book I have is based on Xcode 4, not 3.2.6 (which I got from Apple dev website) :apple:
    Should I upgrade to Lion? I don't have that many apps that will be incompatible with Lion. I heard Lion has many bugs and Safari apparently hogs a lot of RAM?
    If I was to install Lion, should I do a clean install or just upgrade like Apple intend it to? :apple:
    Thanks very much.
    PS: Does Lion have support TRIM for 3rd party SSD yet? As I plan to get an SSD in the near future. ;)
  2. ray648 macrumors regular

    Jan 10, 2008

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