[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.How to get editor to open: Says I'm missing a file
I was able to use the application a few days ago, but for some reason when I try to open it now, it says it can't find the 'CubismEditor5.bat' file and won't open. I didn't delete any live2d files, so I don't know why it can't find whatever it is.
0 ·
Answers
Thank you for using our product.
Please refer to the following page and try each step in order:
https://help.live2d.com/en/cubismeditor/cubism-does-not-start-win/
If it still doesn't work, please tell us about your PC environment:
- OS & Version: (e.g. Windows 10, macOS High Sierra)
- PC Model: (e.g. MacBook Pro 2017)
- Graphics Specifications: (e.g. GeForce GTX 950M)
- CPU: (e.g. Intel Core i7-7700)
- Memory: (e.g. 8GB)
- Illustration Software used: (e.g. Photoshop, ClipStudio, SAI)
- Attach screenshot or capture video to show your problem:
Thank you for your cooperation.