no official "Portable" version of BlueStacks that allows you to run it without installation
No. You will get "Application failed to initialize" errors because the registry keys and services are missing. Bluestacks Portable No Install
While you cannot get a zero-install version, you can achieve if you have a secret weapon: Portable VirtualBox. no official "Portable" version of BlueStacks that allows
BlueStacks is not a simple executable; it is a complex virtualization engine. Even in a "portable" format, the software requires significant backend resources to function: Bluestacks Portable No Install