How to Find Your Laptop Serial Number on Windows and Mac

Learn how to find your laptop serial number on Windows and Mac. Know how to shop for a laptop on Easy EMIs.
Find Your Laptop Serial Number
3 min
26th June 2025
Whether you are registering your device, requesting a warranty claim, or reporting a lost laptop, knowing your laptop’s serial number can save you a lot of trouble. This unique code helps identify your specific device. From software support to ownership verification, there are many reasons people need to locate this number. In fact, laptop thefts in India have seen a 23% rise in metro cities, making it even more important to keep such details handy. If you are unsure where to start, this guide will help you find your laptop’s serial number on both Windows and Mac in a few simple steps.

Buying a laptop today also means choosing smart financing over paying the entire amount upfront. With Bajaj Finserv’s Easy EMIs, you can shop for the latest laptops without breaking your budget. Browse top laptop models online or visit any of Bajaj Finserv’s 1.5 lakh+ partner stores across 4,000cities.Check your loan eligibilityand enjoy benefits like zero down payment and free home delivery on select devices.

Why do you need to find your laptop’s serial number

There are several practical reasons why you might need to find your laptop’s serial number. This alphanumeric code is not just a random set of characters; it is your device’s identity. Here are the main reasons why knowing your serial number is essential:

  • Customer support and repairs: When contacting customer service, companies often request the serial number to validate warranty status or service eligibility.
  • Warranty registration: Brands require the serial number to activate and track your warranty coverage.
  • Software issues: During OS reinstallation or recovery, a technician may ask for your device’s details to match compatibility.
  • Theft or loss reporting: If your laptop gets stolen, the serial number is crucial for police complaints and insurance claims.
  • Selling your laptop: Buyers may want to verify the authenticity and condition of the laptop using the serial number.
  • Updating drivers and firmware: Manufacturers often need your serial number to identify your system configuration and provide the correct software.
Since your serial number plays such a vital role, knowing how to locate it easily ensures you are never caught off-guard in a time of need.

How to find your laptop serial number on Windows

For Windows users, there are several reliable ways to find the serial number of your laptop. Here is a breakdown of the easiest methods:

Using Command Prompt
1. Press theWindows + Rkeys to open the Run dialog box.

2. Typecmdand hitEnter.

3. In the Command Prompt window, type the following:
wmic bios get serial number

4. PressEnter, and the serial number will be displayed on screen.

Using system information
1. PressWindows + R, typemsinfo32, and pressEnter.

2. In the System Information window, scroll down to find ‘Serial Number’ under the ‘System Summary’ section.

Checking the laptop body
Flip your laptop and look for a sticker or printed label on the bottom casing. The serial number is usually printed near the barcode.

Through BIOS
1. Restart your laptop.

2. Press the relevant BIOS access key (commonlyF2,F10, orDEL) during startup.

3. Navigate to ‘System Information’ or similar to find the serial number.

If your device is older or frequently encounters system issues, it may be time to upgrade. Newer laptops come with longer battery life, faster processors, and lighter bodies. You can browse thelatest offersfrom Bajaj Finserv to find top-rated models with features that suit your needs, all available on Easy EMIs.

How to find your laptop serial number on Mac

If you use a MacBook or any other Apple laptop, here are several ways to find your serial number:

From the Apple menu
1. Click on theApple logoat the top-left corner of the screen.

2. SelectAbout This Mac.

3. A window will appear showing the macOS version, laptop model, and serial number.

Via System Report
Go toAbout This Mac>System Report.

Under ‘Hardware Overview’, you will find the serial number.

On the original packaging
If you have the box your Mac came in, check for a barcode label on the outside—it will display the serial number.

Check the laptop casing
1. Flip the MacBook and look at the bottom.

2. The serial number is often engraved near the hinge or lower portion of the body.

Sign in to your Apple ID
1. Visitappleid.apple.comand sign in.

2. Under ‘Devices’, click on your Mac to view its serial number.

Each Mac is built to last, but if your device is outdated or missing key updates, upgrading could improve your productivity and device security. Explore the latest MacBook options with Easy EMIs from Bajaj Finserv and avoid paying the full amount upfront.


Financing options with Bajaj Finserv

Bajaj Mall is the best destination for you to read about all the details, features, and specifications of any product that you wish to buy. Once you have all the information, go to your nearest Bajaj Finserv partner store, and select the smartphone you want. You can get a pre-approved loan to fund your purchase. You can check your pre-approved loan limit online or at the store. After that, provide your basic details, and convert the cost of your purchase into Easy EMIs.

Benefits of shopping with Bajaj Finserv’s financing options

Below are some of the key advantages of using Bajaj Finserv’s financing options to make a new electronics purchase:

1. Competitive prices: Bajaj Finserv partner stores offer unbeatable prices, making sure that your purchase fits your budget effortlessly.

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Frequently asked questions

How do I check my laptop's serial number if it does not turn on?
You can find the serial number on the sticker at the bottom of your laptop or inside the battery compartment. For MacBooks, it is engraved on the underside casing.

Can I find my laptop’s serial number using an online tool?
Yes, Apple users can log in to their Apple ID to view device information. For other brands, official support portals may help you locate it after registration.

Is my laptop’s serial number the same as the product key?
No, the serial number identifies your hardware. A product key, on the other hand, is used for activating software such as Windows or Microsoft Office.

What should I do if my serial number is missing or unreadable?
You can try retrieving it through system settings or BIOS. If not, contact the laptop manufacturer with your proof of purchase.Check your eligibilityfor a Bajaj Finserv Insta EMI Card to finance your new laptop easily.

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