Tutorial  Updated

Dark Theme in Unity Personal Edition 2019

Hi! It is a common issue to want the dark theme in Unity Engine but cant afford / not wanting to pay the PRO version.

For this tutorial I will explain how to setup the dark theme in Unity Engine personal edition without much effort for those who don't know how to do it.

NOTE: THIS TUTORIAL IS ONLY USEFUL FOR VERSIONS BELOW 2019.4.8f1 AND 2020.1.3f AS UNITY NOW OFFERS DARK THEME FOR FREE.


What do you need?

- Unity Engine 2019
- A hex editor, in this case HxD.

Step 1: Setup the needed stuff.

- First of all, download and install Unity and open it. If you setup the personal license, it will show the light theme. Close it.
- Download and Install HxD: https://mh-nexus.de/en/hxd/

Step 2: Modifying Unity.exe

- Copy unity.exe from the path-to-unity-folder/unity.exe to a folder with permissions like the desktop or documents.
- Open the unity.exe with your hex editor.
- Press ctrl + F and look for the hex values:

- (in 2019.1): 74 04 33 C0 EB 02 8B 07 and change the 74 for a 75 resulting in: 75 04 33 C0 EB 02 8B 07
-
(in 2019.2, 2019.3 and 2019.4 (LTS)): 75 15 33 C0 EB 13 90 and change the 75 for a 74 resulting in: 74 15 33 C0 EB 13 90

- Save it.
- Copy the modified unity.exe to the original folder.


Step 3: Resetting the reg keys

- Windows + R > regedit
- Delete the folder HKEY_CURRENT_USER\Software\Unity Technologies
- close regedit window

Step 4: Dark theme

- Open Unity by Unity Hub or .exe
- Enjoy!



Can I use this in other versions?

- Yes, you can, but you need to find the needed hex values:


(2018.1, 2018.2 and 2018.3): 84 C0 75 08 33 C0 48 83 C4 30 > 84 C0 74 08 33 C0 48 83 C4 30
(2018.4): 74 04 33 C0 EB 02 8B 03 48 8B 4C > 75 04 33 C0 EB 02 8B 03 48 8B 4C

Is this Windows Only?

No, here you have some codes for MacOS:


2019.1.0: 74 03 41 8B 06 48 to 75 03 41 8B 06 48

2019.2.3+: 00 75 15 33 C0 EB 13 90 to 00 74 15 33 C0 EB 13 90

2019.2.11 (by Jagi): 74 04 8B 03 -> 75 04 8B 03

2019.3.13f1 (By Player_One) and confirmed working on 2019.4.4f1: 06 00 0F 84 D5 00 00 00 -> 06 00 0F 85 D5 00 00 00

And now we have Linux hex values:

2019.2.12 (by Rodders): 74 02 8b 03 48 83 -> 75 02 8b 03 48 83

------------------------------------------------------------------------------------------------------------------
If you know more codes, please share them in comments so I can add them to this post.
------------------------------------------------------------------------------------------------------------------

If you can afford it, please pay the pro version.
 
Last edited by Manurocker95,

Frasser

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Wow, I'm sure there is some techniques that allow find things like that, anyone knows where to get started? Is this reverse engineering?
 

Manurocker95

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Hi, can you share codes on Mac? These codes don't work on all versions

okay, need to edit the post with mac hex values.

2019.1.0: 74 03 41 8B 06 48 to 75 03 41 8B 06 48

2019.2.3+: 00 75 15 33 C0 EB 13 90 to 00 74 15 33 C0 EB 13 90

--------------------- MERGED ---------------------------

Posted 2019.1 and 2019.2.3+ (including 2019.3) hex values for mac. If someone finds 2018 hex values for mac, please share them and I will post them in the OP
 

M8xPL

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I think the values have changed in 2020.1.0a7 do you know where I can search for those values? Thanks for any help.

--------------------- MERGED ---------------------------

I think the values have changed in 2020.1.0a7 do you know where I can search for those values? Thanks for any help.
NVM They haven't changed. Thanks for this post! Really lifesaving.
 

EB700

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I'm on 2019.2.8f1 running MacOS, I can't seem to find any of the provided hex values at all?
 

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