How to download yosemite installer mac os x#
How to download yosemite installer mac os#

When all steps are completed, you are welcome to either continue with the upgrade to OS X Yosemite on your Mac if you haven't already, or cancel the install and delete the ' Install OS X Yosemite' app in Applications.

Type ' defaults write AppleShowAllFiles FALSE'.

Step 6) Disable 'Show Hidden Files' in Finder

After the copy finishes (this will take 15-20 minutes), close all Finder windows.

Right click in the white space in the same directory and choose ' Paste' (this will paste the ' Packages' folder from ' InstallESD.dmg' to the thumb drive.

On the left side of the Finder window, select your thumb drive now called ' OS X Base System'.

Right-click on the folder called ' Packages' and choose ' Copy'.

It will also launch the Yosemite installer app when the download completes. This will put a file called Install OS X Yosemite Beta.app in your /Applications folder.

Quit Disk UtilityВ and close all Finder windows Step 1: Obtain the Yosemite Public Beta Installer If youвЂ™re registered for the Yosemite beta program, download the OS X Yosemite Public Beta installer from the Mac App Store.

Click ' Restore' then ' Erase' (this process will take 5-10 minutes).

Drag the thumb drive partition ' Untitled 1' on the left side of Disk UtilityВ to the ' Destination' field in Disk Utility.

Drag the ' BaseSystem.dmg' file from the ' InstallESD.dmg' Finder window to the ' Source' field in Disk Utility.

Highlight your thumb drive on the left side of Disk Utility.

Open Disk UtilityВ and drag it to the opposite side of your screen so you can see both windows.

Move the resulting Finder window to one side of your screen.

Notice the file called ' BaseSystem.dmg' (grayed out).

Double-click on the ' InstallESD.dmg' file (on your Desktop).

Type ' defaults write AppleShowAllFiles TRUE'.

Open ' Terminal' (Applications > Utilities).

Confirm the change to continue by clicking ' Partition'.

Choose the ' GUID Partition Table' option, then click ' OK'.

How to download yosemite installer mac os#

From the ' Format' drop-down menu, select ' Mac OS Extended (Journaled)'.

From the ' Partitions Layout' drop-down menu, select ' 1 Partition'.

Warning: the following steps will erase all contents on your thumb drive.

Highlight the thumb drive on the left side of Disk Utility.

Open Disk UtilityВ (Applications > Utilities).

Right-click on your Desktop and choose ' Paste' to put a copy of the file on your Desktop.

Right-click on the file calledВ ' InstallESD.dmg' and choose ' Copy'.

How to download yosemite installer mac os x#

Right-click on the ' Install Mac OS X Yosemite' app and choose ' Show Package Contents'.

Open Finder then click on ' Applications'.

When the download has completed, DO NOT INSTALL.

Open the App Store and begin downloading OS X 10.10 Yosemite ( direct link).

This includes everything you need to create a clean, bootable thumb drive AND proper clean-up afterwards. If you follow the steps exactly as outlined, total time to completion is 20-30 minutes.