You will see a list of officially provided ROMs. Browse the catalog for the option.

To install a custom Android 10 ROM, follow these steps:

If you'd like, I can give you more detailed instructions on how to: Root the virtual machine. Install Xposed modules. Fix performance issues. Just let me know what you're interested in! VMOS - Virtual Machine System on Android

VMOS Pro is a powerful Android virtualization application developed by Hunan Xiaosuan Technology Information Co., Ltd. In simple terms, it allows you to run a complete, secondary Android operating system inside your main Android phone—much like running a virtual machine on a PC. Imagine having a "phone within your phone," completely independent and isolated from your primary system.