The kernel reads the registry settings and starts system services.

The system firmware (BIOS or UEFI) checks critical hardware like RAM, CPU, and storage for operability.

Once the firmware hands off control, the (bootmgr.exe) takes over.

In this stage, the file (or Winload.efi on UEFI systems) prepares the environment for the kernel.

This is the first user-mode process created. It is responsible for setting up environment variables and starting the Winlogon process .

It loads essential "boot-start" drivers that allow the system to communicate with the hardware.

The firmware searches for a valid disk system and identifies the Windows Boot Manager . 2. Windows Boot Manager Phase

The journey begins the moment you press the power button, sending electricity to the motherboard.