This USB installer can be used to install a clean copy of OS X 10.8 Mountain Lion or to update your existing system to OS X 10.8.5 Mountain Lion
All my installer images are thoroughly tried and tested and proven to work as you can see from my feedback.
**Images in this listing are for the purpose of illustration only. The USB stick you will receive is loaded with the installer.**
Mac with an Intel Processor
A working optical drive capable of reading dual layer DVDs
Minimum 2GB of RAM
Minimum 9GB of disk space availableSupported Models
iMac :Late 2009 onwards
MacBook Air :Late 2010 onwards
MacBook :Late 2009 onwards
Mac Mini :Mid 2010 onwards
MacBook Pro :Mid 2010 onwards
Mac Pro :Mid 2010 onwardsInstallation Instructions
1. Insert the USB installer in your optical drive. It should appear on your desktop. Do NOT click on it.
2. Restart your mac.
3. As soon as you hear the startup chime press and hold the option [alt] key on your keyboard.
4. Choose start from USB drive symbol.PLEASE NOTE
This Apple software is FREE to purchase to download from App store. You are buying a new USB, postage/packaging and my time spent making this installer.
If you haver any problems installing then please contact me for assistance.
I will always try to make sure orders received before 4pm are posted on the same day.
If you have any questions regarding compatibility or installation then please get in touch.
I have been repairing, upgrading and supporting Mac computers for over 15 years and I am always happy to help.