Installing Mac OS X v10.5 Leopard

At the time of writing this guide, OS X 10.5 Leopard was the current release by Apple. The newest OS by Apple is OS X 10.7 Lion. The installation procedure should be relatively the same as previous versions, although, you will need to first create a Lion Recovery Disk using this tool provided by Apple.
Install Mac OS X v10.5 Leopard on a new hard drive.

Tools

• Mac OS X v10.5 Install Disk

Relevant Parts

• FireWire 400 SATA Hard Drive Enclosure
• Firewire ATA Hard Drive Enclosure

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Edit Step 1 — v10.5 Leopard

• Depending on the situation, there are two different methods to install Mac OS X v10.5 Leopard on your hard drive:
  
  • Method 1: Install the operating system and software from scratch. If this is your goal, continue on to step two.
  • Method 2: Clone your existing hard drive. If this is your goal, skip to step 19.

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Edit Step 2

• Method 1: Fresh Install
• Insert a Mac OS X v10.5 Leopard installation disc into your optical drive.
• Hold down the “option” key and restart the computer to bring up the boot option menu.
• To begin the installation, click the install disc icon on the boot option menu.

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Edit Step 3

• When prompted, select your language and click the arrow button to continue.

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Edit Step 4

• After the installer loads, you will be greeted by a welcome window.
• Select “Disk Utility” from the Utilities drop down menu.

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Edit Step 5

• Select your new hard drive from the left column in Disk Utility.
• The correct partition type needs to be set for your hard drive.
  
  • If it's a brand-new hard drive, it may have no partition listed.
  • For an Intel-based machine, you should have "GUID Partition Table" listed.
  • For a Power-PC-based machine, you should have "Apple Partition Map" listed.
• If the incorrect partition type is listed, proceed to the next step to delete and re-create the partition. If not, proceed to step 8.
• Warning: Deleting the partition will erase the entire contents of the partition.

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Edit Step 6

• The following two steps are only necessary if your drive's partition is set incorrectly. Erasing a partition will permanently erase all information stored inside.
• Select the partition on the drive and click the "-" button.
• When prompted, click the "Remove" button to remove the drive's existing partitions.
• Once the partitions have been removed, click the "Options..." button.

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Edit Step 7

• Select the partition scheme required for your machine:
  
  • Select "GUID Partition Table" for Intel-based machines.
  • Select "Apple Partition Map" for PowerPC-based machines.
• Click "Ok."
• Press the "+" button to add a new partition.
• Press the "Apply" button.

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Edit Step 8

• Click on the “Erase” tab.
• Choose the Volume format (we recommend “Mac OS Extended (Journaled)”).
  
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