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<b class="Bold"><big>Live2D Cubism</big></b>
<a href="https://www.live2d.com/en/"><alt="Cubism Products and Downloads">Cubism Products and Downloads</a>
<b class="Bold"><big>Cubism product manuals and tutorials</big></b>
<a href="https://docs.live2d.com/cubism-editor-manual/top/?locale=en_us"><alt="Cubism Editor Manual">Cubism Editor Manual</a> <a href="https://docs.live2d.com/cubism-editor-tutorials/top/?locale=en_us"><alt="Cubism Editor Tutorial">Cubism Editor Tutorial</a> <a href="https://docs.live2d.com/cubism-sdk-manual/top/?locale=en_us"><alt="Cubism SDK Manual">Cubism SDK Manual</a> <a href="https://docs.live2d.com/cubism-sdk-tutorials/top/?locale=en_us"><alt="Cubism SDK Tutorial">Cubism SDK Tutorial</a>
[About Cubism Editor / SDK 5.4 Alpha](Updated: July 14, 2026)
You can download the alpha installer from the dedicated forum below.
If you have any feedback regarding the alpha version, including feature requests or bug reports, please use the same forum.
Cubism Editor / SDK 5.4 Alpha Forum
https://creatorsforum.live2d.com/c/cubismeditorsdk54alpha/
[Regarding macOS Tahoe](Updated October 16, 2025)
macOS v26 Tahoe is now supported!
We advise against upgrading your macOS at this time as it may cause Live2D products not to function correctly.
Upgrading macOS can also cause you to lose your Cubism Editor license file.
Please make sure to deactivate your Cubism Editor license before upgrading the macOS.
For more details:
https://help.live2d.com/en/other/other_09/
For inquiries regarding issues with license purchases or license activation errors, please contact us through the <a href="https://www.live2d.jp/eng/contact/?redirect=1">email form.</a>
Error 3, -105 While Activation
When I try to activate the program either by a code or a trial, I get error 3, -105
0 ·
Comments
Thank you for your contact.
This is Live2D Support.
We apologize for any inconvenience this may cause.
Please click here for more information on error 105.
https://help.live2d.com/en/license/license_10/
hope that helps!
Sorry for reopening this after 5 months but I still don't seem to be able to Activate the License. I tried everything in the link except for the proxy username:password filling because my company's IT employee won't give me these. Is there anything else that I can do?
We apologize for any inconvenience this may cause.
If the problem persists, please contact us through the following page.
https://www.live2d.jp/eng/contact/
Type of inquiry is "Question AFTER Purchasing"
hope that helps!