This is a Gatekeeper quarantine issue. Run this Terminal command on the target Mac: This is a Gatekeeper quarantine issue

Try Method 1 on a test Mac today. Within 10 minutes, you’ll have a working offline installer ready for your entire fleet. Have a different workaround? Share it in the comments below (if republishing on a blog) or contact your Apple SE for additional enterprise deployment options. apple configurator 2 download without app store work

A: No. Configurator 1.x used a different licensing model and is no longer compatible with modern macOS.