Help in installing Seamly2D on Mac Big Sur

Hi my OS is Mac Big Sur (v11.4) and I could not get Seamly installed on my device. This message pops up - can someone provide me a step-by-step guide to complete the installation? Very much appreciated. Thanks in advance.

Screen Shot 2021-06-07 at 8.59.02 PM

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Hi @szeying, welcome to the Seamly community!

@slspencer should be by shortly to help you, but I think she’ll probably need to know which release you’re using. Is it from the download link on the main page?

Sorry I couldn’t be of more assistance.



Hi, I had the same issue. This YouTube video helped me: macOS Big Sur/Monterey - How to Open Unidentified Developer Apps & Allow Downloads From Anywhere - YouTube. I hope it’ll work for you too.


Hi I am not sure which release version. I download from the link sent to my email.

From the downloaded file, the date modified said its 5th April. Does this help?

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You are awesome Sandra. It works for me now! Thank you very much.