Big Sur installer gets stuck at 16 minutes remaining

Hi, when I try to install macOS Big Sur it works but then after it says 16 minutes remaining then my system freezes up, can anyone help me?

CPU: i7 1065G7

GPU: Iris Plus / MX350

Laptop model: Yoga Slim 7 14IIL05

Other info: Using OpenCore ver 0.6.9

Screenshot of the issue: https://imgur.com/a/HVITIrW