“LangSwitch” can’t be opened because Apple cannot check it for malicious software.

[Vitalina0]

"This software needs to be updated. Contact the developer for more information."

What could be done here?

[Nikeev]

Hello! Yes, I don't have an Apple Developer certificate, so Apple displays such a notice.

You could try running the app using the following guide: https://support.apple.com/en-gb/guide/mac-help/mh40616/mac

[romanr]

Yes, go to Settings → Privacy & Security and scroll down to allow.