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How can i change the version of my game from 4.5 to 4.4?,Change my file from 4.5 to 4.4

I have done a project at university but the version has to be 4.4. Is there a way for me to downgrade it? Ask me for more info :D,

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asked Nov 24 '14 at 09:19 AM in Using UE4

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CaptainKWhyte
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Hi CaptainKWhyte,

As Xenome mentioned, you can change the Engine association for a project by right-clicking on the .uproject file. However, that is primarily intended to be used when upgrading a project to a newer version of the Engine. Going backwards to a previous version of the Engine may work, but it is likely that you will run into issues like the .umap issue you are having. Unfortunately we do not have a way to "fix" a .umap file to make it compatible with an older Engine version.

Tim

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answered Nov 24 '14 at 07:48 PM

avatar image CaptainKWhyte Nov 24 '14 at 10:31 PM

Ah . Gonna have to do my game all over again unless the uni let me use 4.5

avatar image CaptainKWhyte Nov 24 '14 at 10:47 PM

Thanks for the help tho guys :D

avatar image Ben Halliday STAFF Nov 24 '14 at 10:51 PM

You might still be able to save some of your Blueprint work. With a Blueprint open (you'll need to load a new or default map, first), you can select all the nodes and copy/paste it into a text document, and then transfer that over to a new Blueprint in your new 4.4 project. You'll need to save old variables as new variables, and other adjustments, but if you have some especially complex Blueprints this might save you some work recreating them.

Most assets can be moved over from the old project to the new project directly using Windows Explorer, so Materials, imported Meshes and their new settings, etc. These are .uassets in the Content folder of your project. Save them in the same place in the new project's Content folder and they should transfer with few problems, if any.

avatar image CaptainKWhyte Nov 24 '14 at 11:57 PM

I will definetly be doing that blueprint method and do as much assets as i can. Thank you

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  • Assuming Windows platform, open a file explorer window

  • Locate your [projectname].uproject file

  • Right-click it

  • Click "Switch Unreal Engine version..." from the dropdown

  • Select desired version from dropdown in pop-up thingy

  • Click OK

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answered Nov 24 '14 at 09:30 AM

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Xenome
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avatar image CaptainKWhyte Nov 24 '14 at 09:32 AM

Ive done that and it works. But my map file still wont load because i think it is still 4.5

avatar image CaptainKWhyte Nov 24 '14 at 09:34 AM

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capture.png (21.6 kB)
avatar image Xenome Nov 24 '14 at 09:40 AM

Hm, that's unfortunate. Some EPIC support tech hopefully knows how to handle that, if it's possible.

avatar image CaptainKWhyte Nov 24 '14 at 09:41 AM

I hope so thanks

avatar image CaptainKWhyte Nov 24 '14 at 09:43 AM

How do i talk to them?

avatar image Xenome Nov 24 '14 at 09:46 AM

They will show up here eventually, although I suspect most of them are fast asleep at the moment.

avatar image CaptainKWhyte Nov 24 '14 at 09:47 AM

Okay thanks. I will keep an eye on the forum then

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