Alternatively, if you meant you need the for Big Sur, that is copyrighted material and I cannot provide direct download links. You would search for "Olarila Big Sur" on Hackintosh forums like InsanelyMac or Olarila's own forum.
Be very careful with third-party "pre-made" macOS images. Always scan for malware and never run unknown scripts without inspecting them first. macos big sur olarila
Olarila images are pre-made, raw disk images of macOS designed for USB booting on non-Apple hardware (Hackintoshes). Alternatively, if you meant you need the for