How to find serial number of windows laptop?
The serial number of a laptop is a unique identifier assigned to each individual device during the manufacturing process.
Whether you need to seek up technical information, verify warranty coverage, or getting in touch with technical support, knowing your windows laptop’s serial number can be useful.
• Warranty and support
•Theft prevention
• Inventory management
There are a few ways to locate your laptops serial number:-
Method 1: Check the Laptop Itself 💻
The serial number is frequently printed on a label that is located someplace on a laptop. Depending on the laptop’s maker and model, this label’s location may change. These are a few typical locations to look:
- Bottom of the laptop: Look for a sticker or label on the bottom of your laptop when you turn it over. Together with other identifying details like the model number and product code, the serial number may be printed here.
- Battery compartment: If your laptop has a replaceable battery, remove it and check the compartment for a label. Together with other information, the serial number may be printed on this page.
- Side or back of the laptop: Some laptops have a label on one of the sides or on the back of the device. Look for a sticker or label that has a series of numbers and letters.

Method 2: Check the BIOS or UEFI Settings 🔌
The Basic Input/Output System (BIOS) or Unified Extensible Firmware Interface (UEFI) is the software that controls the startup process of your laptop.
By restarting your laptop and tapping a key or key combination at startup, you can access the BIOS or UEFI settings. Depending on the maker and model of your laptop, the precise key or key combination may differ, but popular keys include F2, F10, F12, Del, and Esc.
Look for a section that shows system information once you are in the BIOS or UEFI settings. Together with other information about your laptop, including the CPU type and memory size, the serial number may be given here.
Method 3: Use Command Prompt ⌨️
You can also find the serial number of your laptop using Command Prompt, which is a built-in command-line tool in Windows. Here are the steps:
Open the Start menu and search for “Command Prompt.” Right-click on the Command Prompt app and select “Run as administrator.”
In the Command Prompt window, type “wmic bios get serialnumber” and press Enter.
The serial number of your laptop will be displayed in the output.

Method 4: Use PowerShell 📲
PowerShell is a more advanced command-line tool in Windows that provides more functionality than Command Prompt. Here are the steps to find the serial number of your laptop using PowerShell:
Open the Start menu and search for “PowerShell.” Right-click on the Windows PowerShell app and select “Run as administrator.”
In the PowerShell window, type “Get-CimInstance Win32_BIOS | Select-Object SerialNumber” and press Enter.
So , the serial number of your laptop will be displayed in the output.

Knowing your laptop’s serial number is important for warranty and technical support purposes, so it’s a good idea to keep this information handy.
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