How to Install an 8.6 System on an iMac Computer
- 1). Download Mac OS 8.6 from Apple's Support website (see "Resources" below).
- 2). Disable any anti-virus or disk-security programs that are installed on the iMac. Turn off At Ease software if it is installed on the computer.
- 3). Double-click the downloaded Mac OS 8.6 file to begin the installation process. A window will open.
- 4). Click "Continue."
- 5). Click on the disk on which your current operating system is installed; this is where Mac OS 8.6 will be installed.
- 6). Click "Continue."
- 7). Read the information that appears on the screen. Click "Continue" after you have finished reading the information.
- 8). Read the software license agreement. Click "Accept" to accept it and continue with the installation.
- 9). Click "Install" to install the operating system. This process will take a few minutes.
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