Checking Your BIOS Version on Windows 10: A Step-by-Step Guide
BIOS, or Basic Input/Output System, is a critical component of your computer's hardware. It initializes and manages essential hardware components, and updating it can enhance system performance and security. If you're a Windows 10 user wondering how to check your BIOS version, you've come to the right place. This guide will walk you through the process in a simple, step-by-step manner.
Method 1: Using System Information
Windows 10 provides a built-in tool called System Information that allows you to check your BIOS version with ease. Here's how to use it:
- Press the Windows key + R on your keyboard to open the Run dialog box.
- Type
msinfo32and press Enter. This will open the System Information window. - In the left-hand pane, click on System Summary. You'll find your BIOS version listed under the BIOS Version/Date heading.
Method 2: Using Command Prompt
If you're comfortable with the command line, you can use the Command Prompt to check your BIOS version. Here's how:

- Press the Windows key + X on your keyboard and select Command Prompt (Admin) or Windows PowerShell (Admin).
- Type
systeminfoand press Enter. This will display detailed information about your system. - Scroll down or press Ctrl + F to search for BIOS Version. The corresponding BIOS version will be listed next to it.
Method 3: Using Third-Party Tools
There are numerous third-party tools available that can help you check your BIOS version. Some popular options include CPU-Z, Speccy, and Belarc Advisor. These tools provide detailed information about your system's hardware and software.
Understanding Your BIOS Version
Once you've checked your BIOS version, you might be wondering what those numbers and letters mean. The BIOS version typically consists of a date code and a revision number. The date code represents the month and year the BIOS was released, while the revision number indicates the specific version of the BIOS.
For example, a BIOS version of 08012021.86A0.01.00000001.0000000 would indicate that the BIOS was released in August 2021, with a revision number of 86A0.

Updating Your BIOS
If you've determined that your BIOS is outdated, you might be wondering how to update it. Before you proceed, it's crucial to understand that updating your BIOS can be risky. If something goes wrong during the update process, your computer might become unbootable.
To update your BIOS safely, follow these steps:
- Visit your motherboard manufacturer's website and download the latest BIOS update for your specific model.
- Carefully read the instructions provided by the manufacturer and follow them to the letter.
- Ensure that your computer is connected to a power source and that you have a backup of any important data.
- Only proceed with the update if you're confident in your ability to follow the instructions. If you're unsure, it's best to consult a professional.
Remember, updating your BIOS is a delicate process that should only be undertaken if you're confident in your technical abilities. Always ensure that you have a backup of any important data and that you follow the manufacturer's instructions to the letter.