You can find your Laptop's serial number on the hardware, box, or inside the battery compartment.Using Command Prompt: Open CMD as administrator, type 'wmic bios get serialnumber' to find the serial number.Using PowerShell: Open PowerShell as administrator and execute 'gwmi win32_bios | fl SerialNumber' to find the serial number.Through BIOS: Check BIOS or UEFI firmware settings to find the laptop's serial number if other methods fail.