How to Get Your Laptop Serial Number in Windows

Discovering your laptop’s serial number in Windows is important for various reasons. This guide will show you easy methods to retrieve this crucial information, ensuring you have access to manufacturer assistance and services.

Why Your Laptop Serial Number is Important:

  1. Warranty and Support:
    • The serial number is needed to check your laptop’s warranty status.
    • It helps determine if your device is still under warranty, which is useful for repairs or replacements.
  2. Product Identification:
    • The serial number uniquely identifies your laptop model and setup.
    • This information is valuable for downloading drivers, finding compatible accessories, and making upgrades.
  3. Technical Support:
    • Providing the serial number when seeking technical help ensures more accurate solutions.
    • Technicians can offer personalized assistance based on your laptop’s specific details.
  4. Insurance and Documentation:
    • The serial number acts as proof of ownership, crucial for insurance purposes in case of theft, loss, or damage.
  5. Theft Recovery:
    • In case of theft, law enforcement can use the laptop’s serial number to identify and recover the stolen device.
  6. Software Licensing:
    • Some software applications require the laptop’s serial number for activation and licensing, ensuring legitimate usage.

Methods to Get Your Laptop Serial Number in Windows:

  1. Use the Command Prompt:
    • Open the Run dialog box with Windows + R.
    • Type “cmd” and press Enter to open the Command Prompt.
    • Type “(wmic bios get serial number)” and press Enter to retrieve the serial number.
  2. Use the System Information:
    • Open the Run dialog box with Windows + R.
    • Type “msinfo32” and press Enter to open System Information.
    • In the System Summary section, find and click on BIOS Version/Date.
    • Your laptop’s serial number will be displayed at the bottom.
  3. Check the Laptop Sticker:
    • Power down and disconnect your laptop.
    • Locate the sticker on the bottom or backside of your laptop.
    • Look for labels like S/N, SN, Serial No., or similar designations to find the serial number.


Knowing your laptop’s serial number is crucial for warranty claims, technical support, and various documentation purposes. Use these simple methods in Windows to easily retrieve this important information. Whether for warranty checks, upgrades, or insurance, having your laptop’s serial number readily available can save you time and hassle in the long run.

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