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how to select install location on a mac?


I just downloaded unreal engine, but it was just the launcher. How can I choose the install location for the engine? I don't have enough space (6GB) on my boot SSD.

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asked May 22 '14 at 06:22 PM in Installation & Setup

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Ari Romano Pfefferkorn
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avatar image AJatVRSFXdotcom Aug 04 '14 at 05:53 AM

Any word on how far along the Launcher developers are with this? I'm in the same situation.

avatar image reddaze STAFF Aug 07 '14 at 10:43 PM

Hi AJatVRSFXdotcom,

My apologies but I don't have a date or release timeline for it right now. If you are on a Mac you can look at the SymLink option in the answer below.

I'll update this thread and we'll have some more info in the forums when this feature is closer to shipping.

avatar image AJatVRSFXdotcom Aug 07 '14 at 11:01 PM

No worries, I bit the bullet and did a hard drive overhaul to make room. Too bad my laptop has a sad graphics card that can't keep up with your renderer. Other than that, I'm having a blast with UE4. Definitely a huge step up from Unity, graphics-wise. And the blueprint functionality looks pretty sweet too. Anyways, I appreciate you getting back to me.

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2 answers: sort voted first

Hey all,

There's still some internal discussion about making this a Launcher feature. There is a workaround you can use, however, that uses a Symlink. This method requires moving the /Users/Shared/UnrealEngine folder to the external drive and creating a symbolic link to the new location in the old folder. If you want to try it this way, these are the steps you can take:

  1. Backup the UnrealEngine folder found in /Users/Shared

  2. Move the UnrealEngine folder to the drive the engine is to be installed to. This can be done with the following terminal command (without the quotation marks): “Sudo mv /Users/Shared/UnrealEngine /Destination/Location/” (Note: there is a space between the path of the folder that is being moved and the destination it is being moved to)

  3. Enter the admin password when prompted

  4. Create a symlink in the older UnrealEngine folder location and point it at the new UnrealEngine location: "Ln –s /Destination/Location/Shared /Users/Shared/UnrealEngine"

Essentially what this does is create a shortcut in the old location (/Users/Shared/UnrealEngine) and redirects everything to the new location that you specified. When the Launcher attempts to copy/install engine files to /Users/Shared/UnrealEngine, they will be re-directed to that new location as well.

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answered Aug 06 '14 at 10:27 PM

avatar image darkspacephoenix Aug 31 '14 at 10:23 PM

In step 4 you have the target and destination directory backwards for MacOS X


avatar image TheOriginalCoda Sep 26 '15 at 12:52 PM

and it's 'ln' not 'Ln'. Unix shell commands are case-sensitive!

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Hey Ari,

You'll probably want to move the installer for the Launcher over to whatever drive you want to use the engine on. Once you install the Launcher, you'll use the Launcher to install the engine. Currently, the Launcher installs to the same location and you can't choose another harddrive.


Ben Halliday

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answered May 22 '14 at 08:23 PM

avatar image Ari Romano Pfefferkorn May 24 '14 at 10:55 AM


What installer are you talking about? When i download Unreal Engine, It comes with a DMG, I mounted it and tried to install it to the data HD with more space. But even if I run it from the data HD, It gives me the error message that there's not enough space in Users/Shared


avatar image Ben Halliday STAFF May 28 '14 at 10:12 PM

Sorry, I think I misunderstood you. If you're not using the external drive as your boot, moving the DMG to it won't help you. Currently, you can only choose the location of the Launcher, but the Launcher will still attempt to install the engine to the default location in your C drive.

Unfortunately, there is no way to specify the install location. This is something the Launcher developers are working on, I believe, but until then you'll either need to make some more room on your boot or use the external as your boot (which may cause a number of other known issues).

avatar image TheOriginalCoda Sep 26 '15 at 12:56 PM

No 'C' drive on macs or linux machines. This is a DOS concept.

avatar image williamian Mar 17 '15 at 03:19 PM

Hey, seen a couple of posts on this, still have no luck. Any update on installer functionality for installing to different drive on Mac, TY.

avatar image Ben Halliday STAFF Mar 17 '15 at 03:28 PM

Hi williamian,

Not at this time. Currently the Launcher needs to be installed to your boot drive. If you are using a Mac, you have another option; see the Answer regarding using Symlinks.

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