UPDATE: March 30th, 2022
Our latest version of the Mac Streamer v3.5.0.1 will now install as expected.
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Please download the latest version of the Mac streamer here https://www.splashtop.com/downloads or you may download it directly at https://my.splashtop.com/computers if you have an existing Splashtop subscription.
We have discovered a bug when you double click our Mac deployment streamer installer on Mac OS X 12.3. The application "installer " can't be opened. -1703
Our Mac Development team is aware of the issue and actively working on a fix as well. In the meantime a work-around has been identified below.
Please use the Terminal application to install the Splashtop Streamer. The steps to perform this action can be located in the article below.