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Cubism Editor Manual    Cubism Editor Tutorial    Cubism SDK Manual    Cubism SDK Tutorial
[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 email form.

its not opening

miraiimiraii
in Help
i have just downloaded the app *live2D cubbisim lasted version* i am double clicking the icon but nothing happens
what should i do?
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Comments

  • ぽらぽらぽらぽら
    I have the same issue, other applications on my computer can open, but no matter if I restart my computer or delete the application and redownload it, when I try to open it, nothing happens. I am incredibly bad with computers, so I don’t know if this is the computers mistake, or my mistake.
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  • Enoko(Staff)Enoko(Staff)
    Thank you for using Cubism.

    Sorry for the inconvenience.
    Please tell me the situation in detail.

    - Live2D Software Version: (e.g. Cubism Editor 4.0.00)
    - OS & Version: (e.g. Windows 10, macOS HighSierra)
    - PC Model: (e.g. MacBookPro 2017)
    - Graphics Specifications: (e.g. GeForce GTX 950M)
    - Memory: (e.g. 8GB)0
    - Attach screenshot or capture video to show your problem:

    Sincerely,
    Live2D support
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  • dantotallydantotally
    i have been trying to open my live2d but its not opening whenever i try to open it,its come with "failed to initialize OpenGL" i redownload it i try to do everything i saw in the comments to fix it but its still not opening
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  • kudo(Staff)kudo(Staff)
    Hello, dantotally.
    Thank you for your contact.
    apologize for any inconvenience this may cause.

    Please check the link and try it.
    https://docs.live2d.com/cubism-editor-manual/fault-map/?locale=en_us
    If the problem is not solved, please contact us again.

    We appreciate your cooperation
    Thank you.
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