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[Closed] How can I change the default location of \Unreal Projects?

I installed UnrealEngine to my big secondary drive ("N:\UnrealEngine"), but when Launching the sample file, it filled my boot/system drive with temp files and now I have zero space on C:\ The compile didn't launch because it ran out of room to finish, and now I can't launch anything because my C drive is filled with its junk. I can't even start a Blank project because the editor claims "Failed to copy N:/UnrealEngine/4.0/samples/StarterContent/Content/Materials/(etc)" to C:\Users\xxx\Unreal Projects\

How can I set the editor to compile everything to the N drive, and stop filling C? I'd like to move the entire C:\Users\xxx\Documents\Unreal Projects onto the N drive but don't want to lose all the examples I've already downloaded.

Using: Windows 7 x64

Product Version: Not Selected
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asked Mar 19 '14 at 08:36 PM in Installation & Setup

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avatar image Elyptic Jul 02 '14 at 07:10 PM

Recent updates to UE4 launcher solve the issue ~99%.

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The question has been closed Jul 02 '14 at 07:10 PM by Elyptic for the following reason:

The question is answered, right answer was accepted. It doesn't solve the default location issue but it's certainly easy enough to alter.

12 answers: sort voted first

Hi Elyptic

We currently don't allow you to change where the Unreal Project's directory is located. But a trick I use at home is to move the location of the "My Documents" folder and Windows will automatically move everything.

I did some quick googling and got a good set of instructions. It's pretty easy. But I don't want to be responsible for any data loss so, back things up before moving it :)


Your already downloaded content should load correctly from the new location.

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answered Mar 19 '14 at 09:04 PM

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Nick Darnell ♦♦ STAFF
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avatar image jherico Mar 19 '14 at 10:55 PM

This isn't really a workable solution for me. My 'Documents' folder is already set up so that it's located in my Dropbox, but I don't want my Unreal projects to end up in my dropbox folder (particularly multi-gigabyte example projects that aren't really 'my documents')

avatar image Nick Darnell ♦♦ STAFF Mar 19 '14 at 10:59 PM

Our apologies. We know a non trivial number of users will want to customize the install location for samples and other downloads. It's on the list of things to fix soon. Though I don't have an ETA.

avatar image DSalimander May 06 '18 at 09:33 PM

My SSD was purchased with the sole intent to be used only for my OS and programs that think they can just dump files onto it whenever they want are cancer. Programs should always notify the user before dumping massive amounts of files somewhere. This is an unspoken etiquette of software that I would hope Epic Games would realize. Forcing us to 'change the location of our My Documents folder' is such a pathetically hacky solution to a problem that shouldn't even exist.

avatar image twiddle Mar 19 '14 at 11:00 PM

Use Dropbox's selective sync option to ignore the Unreal Projects folder so that it won't be uploaded or counted in your Dropbox account.

avatar image Elyptic Mar 20 '14 at 05:58 PM

After moving my Documents folder via the windows method above, I thought it had worked. Today I still see my C drive filling up after the launcher 'repair' just downloads things back into C\Users\xxx\Unreal Projects anyways, regardless of my new setting and location for My Documents. The Launcher has no options, it continues to download marketplace items etc into the same original location, so now I have duplicates of everything I downloaded yesterday. I think I'll just move my documents back to the initial location, remove the samples, and wait for a real fix.

avatar image twiddle Mar 20 '14 at 08:00 PM

Have a look at the solution I proposed below - it's worked without issues for a number of other users in other threads.

avatar image PixxiePane Mar 20 '14 at 08:03 PM

I managed to get it working without any issuea

avatar image markdj Jun 01 '14 at 04:53 PM

So is there any update on when a true fix will be available? This is a very necessary fix as my projects grow in size.

avatar image Stephen Ellis ♦♦ STAFF Jun 02 '14 at 10:36 PM


This issue has been fixed for the past few Launcher versions. Please see the new Answer I have posted here.


avatar image erik007 May 10 '16 at 04:34 PM

This is just LAZY and nothing else, its making me really really annoyed, why can't such a simple problem be solved? An engine for developers and you cant even choose where to install it?? still in 2016 this isnt fixed, cant you see that there are thousands of people having problems with this? Makes me just want to throw UE4 out and use Unity, as simple as it is you can actually choose where to install.

avatar image Moeman84 Jul 26 '16 at 10:07 PM

So true. This is beyond ridiculous.

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I have had success with UE3, using a Junction Point to relocate data that the engine is looking for to another location. Basically, install this

Link Shell Extension

and then move your Unreal Project directory wherever you want it to go, then as it says on the page for that utility you can set the new location as the target, and drop a Junction Point back into your original location. As far as the engine is concerned the files are still where it wants them, but they're actually being stored elsewhere. Its still a dirty hack, but it doesn't affect other aspects of your environment.

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answered Mar 19 '14 at 09:30 PM

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avatar image PeterLNewton Mar 21 '14 at 01:07 AM

Perfect. Thank you twiddle, a very handy tool. Too many applications want to be on my C drive, when there is tons of space elsewhere.

avatar image Elyptic Mar 21 '14 at 07:29 AM

This is going to be my next option. I've reverted my documents to its original location and will try this shell extension tomorrow.

avatar image Elyptic Mar 21 '14 at 05:59 PM

OK it worked somewhat, in that I can download new content and it ends up in my secondary location. The problem is it still wants to 'repair' the existing items, which means re-downloading all of the content again. Repair doesn't really repair anything (i.e. re-linking / updating references), should be labeled 'Re-download'.

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Updating this post since it got a bump.

The Launcher now lets you select where you would like to download the Marketplace Sample content to. Beneath the download button, you will see a filepath. Clicking the filepath will let you choose an alternate destination.


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answered Jun 02 '14 at 10:35 PM

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Stephen Ellis ♦♦ STAFF
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avatar image Levike Jun 15 '15 at 12:03 PM

I can't find it. There is only a download button and option to choose the engine version.

avatar image Stephen Ellis ♦♦ STAFF Jul 09 '15 at 09:35 PM

A recent update to the Launcher has changed this, and once again automatically stores downloaded content in the UnrealEngine/Launcher/VaultCache folder. My apologies for confusion with the changes. When you make new projects from the downloaded content, you then have the option to choose its location.

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I have the exact same problem. Small SSD for windows and every programs insists on filling it with ! Please fix this. This is a show stopper for me.

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answered Apr 03 '14 at 02:10 PM

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Frip, now my SSD is completely full. A fix for this would be nice

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answered Apr 02 '14 at 04:35 AM

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Fix pls, omg my SSD needs mercy.

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answered Apr 09 '14 at 12:52 AM

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Hey Elyptic,

You can choose a location for a new project at creation by clicking the Down Arrow button on the right side of the Project Browser. It's right above the Create Project button. That will let you create a new project on your secondary drive.

The Launcher automatically downloads example projects to the C: drive. It's a known issue and we are working to fix it. In the meantime, you should be able to move those files from your C: drive to a secondary drive without any problems. If they were not fully downloaded because your C: drive was full, there may be problems with the files, unfortunately, and you might need to make some room on your C: and try downloading them again.

Hope that helps!

Ben Halliday

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answered Mar 19 '14 at 08:58 PM

avatar image Elyptic Mar 19 '14 at 09:17 PM

Thanks for helping find the arrow, though without changing the download location it's not going to help much. At least I can move the existing projects there, but any large downloadable projects are going to fail I suppose.

avatar image netdnx Apr 02 '14 at 04:02 AM

I've tried creating a junction using the link shell extension and project downloads are seen fine on the second drive but the ContentExamples are flagged as 'repair' and still download to the C drive .. I don't understand why o.O Not sure if twiddle can shed any light on this for me? Or anyone at all really :)

avatar image Elyptic Apr 02 '14 at 04:33 AM

Unfortunately it only works for items downloaded from the Marketplace after creating the junction, in order to keep the projects working from the Launcher. Once you re-download them (with 'repair'), they will be saved/overwritten to the new location and available properly in the Launcher. So yeah, re-download the ~10 gigs.

avatar image netdnx Apr 02 '14 at 04:50 AM

hmmm...well I started a repair with the prev c: drive folder (C:\Users\xxx...) empty (symlinked to the new drive/folder) and (C:\Users\xxx...) started populating with files. I would have thought that the download would have gone to the new drive folder?

avatar image Elyptic Apr 02 '14 at 05:05 AM

Have a look inside your Documents folder and see if Unreal Projects looks different than the regular folders. After a proper link, yours should have a grey link on the lower left corner. If it does, it's linked to a destination folder. Note that even in the Windows Explorer title bar it will still say C:\Users\Elyptic\Documents\Unreal Projects even though it's actually a link.

You can right click and check its properties; there should be a Link Properties tab with "Type of Link: Junction" and "Target: M:\Unreal Projects" shown.

Just watch the free space on C:, it's the only way I found out it was working properly the first time :)

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Hi Elyptic

Another alternative option for you, it is the same option I used to navigate itunes backup files elsewhere.

First, cut your unreal project file from default location in C: to your designated location.

Second, use windows cmd.exe command as administrator and type below command line.

mklink /d "c:\users\YOURNAME\documents\unreal projects" "z:\XXX\unreal projects" alt text

捕获.jpg (22.1 kB)
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answered Mar 30 '14 at 03:54 AM

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avatar image twiddle Mar 30 '14 at 03:59 AM

The only issue with this is it creates a symbolic link rather than a junction or hardlink. UE3 had issues with this - when you were browsing for files or folders to save assets etc, it would actually traverse the link and tell you the destination folder rather than keeping the file path relative to the link itself. You can use /j to create a junction rather than a symlink which seems to avoid this issue; the shell extension I linked in my answer makes it easy to do that without the command line.

avatar image Angel Tsvetkov Aug 12 '15 at 11:47 AM

Great Kennyj. It is exactly what I am trying to do. Thanks a lot for the right, clear and short help man. Symbolic link for "VideoCaptures" from C: to F: perfectly work on UE 4.8.1

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Thanks Nick, as mentioned above this is a hack fix in the meantime, and it should get things working, but I don't think I'll want to stick with it in the long run. Plus my other programs will probably start rioting as this location hasn't changed in four years. Hopefully an editable project location is in the future for this.

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answered Mar 19 '14 at 09:19 PM

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EASY FIX. Copy your project. so the content of the game you are working on. after launch the fontend and select your project and delete. NEXT browse to the project location and open it and you will see a launcher. click it :)

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answered Jul 02 '14 at 06:43 PM

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