Guide: Update OS X Mavericks to OS X Yosemite Using UniBeast and MultiBeast

Save all of your settings, files, apps, etc... by following this simple guide to upgrade OS X Mavericks to OS X Yosemite.

1. Boot OS X Mavericks
2. Remove /Extra/modules/FileNVRAM.dylib if present
3. Remove /System/Library/Extensions/GenericUSBXHCI.kext if present 
4. Edit /Extra/org.chameleon.Boot.plist to remove the following 2 lines if present:



5. Create a bootable USB using UniBeast 5
6. Boot from USB and install OS X Yosemite over your existing Mavericks installation
7. Reboot from the USB and choose your existing drive
8. Run MultiBeast 7 and select the following options, and any system-specific Audio and Network drivers.

9. Reboot from drive into OS X Yosemite.