Where can I download Postman App version 8.10.0? Or any 8.x.x version?
I need specifically 8.x.x version, since in my organisation latest versions are not allowed
Welcome to the Postman Community! 
There are no official Postman download links for older unsupported versions of the platform. We don’t recommend downgrading, as we cannot provide support or fixes to earlier versions.
Is there a reason why your organisation isn’t allowing you to use the latest version of the platform?
I’ve attached link to our security and trust center site which has been useful to companies looking to understand more about our security standards, privacy and compliance: