Once the setup is complete, you must move the EFI folder to your internal drive so you can boot without the USB:

Trying out macOS Big Sur (Olarila build) on PC/VM — prepatched image with kexts and bootloader tweaks for broader hardware support. Backup first, prepare a 16GB+ USB, disable Secure Boot, and follow the included EFI instructions. Not official Apple software; use at your own risk.

For users looking to install on non-Apple hardware, Olarila is a well-known community offering "Vanilla" ISO images and specialized EFI folders to simplify the Hackintosh process. Key Resources for macOS Big Sur Olarila

Because you are using a generic ROM and MLB (board serial number) from the Olarila image, Apple will block your iMessage. Use to generate new serials (MacPro7,1 or iMac20,1) and inject them into your config.plist .

The Olarila image comes with a generic EFI that may not boot on your specific motherboard.

The Control Center has been revamped in macOS Big Sur, offering a more iOS-like experience. You can now access frequently used settings, such as Wi-Fi, Bluetooth, and Display settings, from a single pane. The new Control Center also features:

It is important to note that macOS is licensed only for Apple hardware. Installing macOS Big Sur on a non-Apple PC via Olarila or any method violates Apple's EULA. The Olarila community does not condone piracy (you must download Big Sur from the App Store legitimately if you own a Mac to create the image; many Olarila images circumvent this).

[Success] macOS Big Sur 11.7.10 on Olarila Image – Stable & Smooth