How do I install Windows 8.1 from USB and BIOS

GX1sans

Reputable
Feb 23, 2015
28
0
4,530
I am building my first computer and want to choose Windows 8.1 for my operating system. Unfortunately, I am not installing Windows 8.1 from another operating system, meaning that it will only be in the computers BIOS. I have done some research and I can only find how to install Windows 8.1 from USB from Windows 7, and how to install Windows 8.1 from a disk in BIOS. Since I am on a tight budget for my gaming PC, I have skipped out on buying a disk drive. The problem I seem to have, is that it asks for a key, and I don't know if I will be able to access that from the BIOS. It seems that I just need to buy the box, and the product code comes with it. I just don't want to waste money if there is no way to install Windows 8.1 from a USB in the BIOS.
Any help is appreciated.
 

Everfroszt

Reputable
Dec 6, 2014
1
0
4,510


Give the guy a brake he's obviously just getting started in the world of computers (at least building them) and seems to have a better grasp of basic concepts than I did when I started out on my Commodore 64/128 hehe! =P He might mean BIOS as opposed to UEFI. I have to admit it is pretty obnoxious when you Google how to install 8.1 using BIOS mode (i.e., non-UEFI) and all these annoying "How to use 8.1 *WITH* UEFI" come up. Not all of us have up-to-date boxes and some of us still prefer BIOS for other reasons. But then I could be wrong and he might mean he's trying to *boot* from DVD/USB stick and doesn't know how to change the boot options in BIOS? I'm just guessing. But the point is you seem to be on the right general track, buddy! I admire you for building your first PC and wish you the best of luck =D
 
And I'm just answering his question. Don't understand what this "brake" thing is about ... <someone step in front of a car ? >. Just using this as an example of how the choice of words (Break vs Brake) can throw the reader off.

Whether it is new UEFI boot instructions or the old style BIOS, you still don't install an OS "into the BIOS". If readers are having trouble understanding what is being asked, it's very difficult to provide a useful answer. If this is the OPs assumption, we have thinbgs to adress before those other questions can be answered. So the 1st thing required is concentrate on what does matter... using commonly understood hardware definitions so that potential helpers reading the question will understand what is being asked. Then, clear and accurate answers can be provided.

There are two basic / common ways for a single user consumer to *install* the OS:

1. Using Optical w. install DVD - The reason you only find tutorials for UIEFI and not DVD is that installing from a DVD, the instructions are:

a. Stick DVD in optical drive
b. Start machine
c. Follow instructions

That's it .... on a new build you shouldn't have to do anything besides plug everything in , turn on the machine and insert the disk. It is extremely rare that you ever have to touch or look at the BIOS to install an OS. Most often you only need to go in and change the boot order when reinstalling because after it was installed the 1st time, someone changed the default order from Optical to disk drive (or SSD). Of the disk is empty, it will go to the DVD after finding nothing on the empty HD.

That's why I didn't quite understand your search for installing OS "in non UEFI BIOS mode" since its just "Installing Windows from DVD" and it installs itself.

2. UEFI - The Unified Extensible Firmware Interface is simply a standard programming interface for booting a computer. UEFI was designed to replace the BIOS but is also compatible with older BIOS-based machines. This type of install requires instruction sets to be stored in a folder in flash memory on the motherboard or on the hard drive (or even network drive). BIOS routines are stored in firmware not on a disk.

Getting back to the OP, I can only guess about intent but there were several ways one could interpret this post. By being budget restricted, was there an assumption that a "disk drive" wasn't needed ? And that the BIOS would somehow hold the OS ? Do a web search on "Disk Drive" and see what you get. My 1st hit was:

https://en.wikipedia.org/wiki/Hard_disk_drive

My thought was that perhaps in reading forum posts where peeps said they weren't going to install an optical drive and do a USB install, it had somehow been misinterpreted that a "disk drive" (SSD or HD) wasn't needed. On the other hand, perhaps the need for a HD was understood but OP just mistyped and wrote "disk dive" instead of "Optical drive" and fully realizes that using USB allows for skipping an "Optical drive".

So we were left with .... If there was no "disk drive" (or SSD) , the install is not taking place; if there is no optical drive, then the tutorial provided on the eight forums site gives detailed instructions on how to do so.

The other post explained his other question of how to obtain product keys.
 

647chang

Commendable
Feb 24, 2016
14
0
1,510


If I'm building a PC, can I use this method to download windows from my laptop. (It has windows 8) Installed windows 8.1 to my PC, and use the product key from the sticker on the bottom of the laptop?
 


You can use this method to download and install windows to any computer but you will need a legitimate OS licence to use. Using the product key from your laptop does not count if it is a preinstalled OEM licence. If you bought your own retail window licence and previously used it on your laptop then you can reuse it in another device but only one can be active.