Diskpart - Windows 10 Install

He closed the Command Prompt window. Back in the Windows Setup drive list, everything was different. Instead of messy partitions, he saw:

convert mbr

Here are some common diskpart commands used during Windows 10 installation: diskpart windows 10 install

Diskpart is a "destructive" tool. Using the clean command completely wipes the selected drive, removing all partitions and data. There is no "Undo" button. Please back up any important data before proceeding. He closed the Command Prompt window

This is the most critical step. If you have multiple drives, ensure you select the correct one. If you want to install Windows on the primary drive, it is usually Disk 0. Using the clean command completely wipes the selected

Note: clean all can take a long time for large drives.

If you get an error about the partition style being incorrect for your BIOS/UEFI mode, you must convert the disk after the Microsoft Learn Using DISKPART & DISM to Clean Install. - Windows 10 Forums