If you are trying to "create a piece" (such as a functional unlock, firmware installation, or FRP bypass) using this tool, here is the general approach:
Select the specific function within the UI (e.g., "Remove FRP," "Unlock Bootloader"). To give you the exact steps, I need to know: What brand and model device are you working with? A.N.TOOL_v1.0_Setup
are you trying to fix (e.g., FRP lock, locked bootloader)? If you are trying to "create a piece"