how do I install xcode 4.2?

More specifically, what are the search parameters to get xcode 4.2? I see xcode 6, and searched for 4.2...and got back hundreds of results.

http://ift.tt/wuU53Q

My system:

Hardware Overview:

  Model Name:   MacBook
  Model Identifier: MacBook4,1
  Processor Name:   Intel Core 2 Duo
  Processor Speed:  2.4 GHz
  Number of Processors: 1
  Total Number of Cores:    2
  L2 Cache: 3 MB
  Memory:   2 GB
  Bus Speed:    800 MHz
  Boot ROM Version: MB41.00C1.B00
  SMC Version (system): 1.31f1
  Serial Number (system):   W88108BV0P2
  Hardware UUID:    5EA9E5F5-DEE5-5D8F-9BA7-877A37E7DD92
  Sudden Motion Sensor:
  State:    Enabled