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,

FoxySeta

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I tried the very same codes from version 2019.2/2019.3 on 2019.4.2f1 and it kept working just fine. (Not sure if anyone already mentioned this, so I just thought I'd let everyone know.) Btw thanks a bunch^_^
 

Manurocker95

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I tried the very same codes from version 2019.2/2019.3 on 2019.4.2f1 and it kept working just fine. (Not sure if anyone already mentioned this, so I just thought I'd let everyone know.) Btw thanks a bunch^_^

Yup, I usually update codes in the first page if discovered (and needed).
 
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FoxySeta

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After a Doh! moment I've changed mine a slightly longer way following this tutorial:
Obviously changing the codes is a little easier though.
Worked for me too. The OP should probably add this video to the top of the thread for those in need. Correct me if I'm wrong, but I guess now basically anyone can provide for their own Unity version and then post the codes they've found here. Of course, they should still wait for them to be approved.

EDIT: Actually, I've only tried on Windows so far. Does this work on Linux as well? Cuz I've read on Reddit people saying they failed at it on 2020.1.0f1.
 
Last edited by FoxySeta,

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