Every computer has a BIOS to boot the computer. We can configure various hardware settings in BIOS. To access BIOS , press F2, F12 or DEL key depending on the computer manufacturer.
By definition, Basic Input/Output System (BIOS) is a set of computer instructions in firmware that controls the input and output of the computer. It can be considered as a series of algorithms for the computer hardware to function accordingly, controlled by software. The microprocessor in the computer also performs its functions with the help of BIOS.
Some of the information in the BIOS is valuable and sometimes needed by the user. This includes the computer serial number, asset tags, BIOS version, etc. The problem is that the user has to restart the computer to access the BIOS. It cannot be accessed directly from Windows.
There is a way we can extract some useful information from the computer BIOS.
View BIOS Information from Within Windows 10 Using Command Prompt
To get just the serial number, use the following command:
wmic bios get serialnumber
If you want to get BIOS version information, enter the following command:
wmic bios get smbiosbiosversion
Some personal information can be retrieved from the BIOS. A list is automatically generated by the following command to suggest commands you can enter to retrieve relevant information:
wmic bios get /? 
In the image shown above, you can see that the command has displayed a list of words that can replace the “/?” in the wmic bios get /? command . For example, if you want to know the status of your machine, just enter the following command:
wmic bios get status 
Additionally, another useful piece of information that can be obtained is the computer's memory (RAM). This can be obtained from within the Windows Command Prompt using the following command:
wmic memorychip get capacity
The information displayed will be that of each individual memory card and the number will be displayed in bytes, as in the example below:
Hopefully the above method will be useful if you want to get information from BIOS while running Windows 10 and don't want to restart your computer.
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