Hard drive partition styles: MBR vs GPT and How to Find Your Windows 10 Product Key

Hey there! In this blog post, we’ll be discussing the difference between two of the most popular hard drive partitioning styles: MBR and GPT. We’ll also touch on how you can find your Windows 10 Product Key in case you need it. Let’s get started!

When it comes to hard drive partitioning, there are generally two different styles that people use: MBR and GPT. MBR, which stands for Master Boot Record, is the traditional partitioning style that has been used for years. GPT, on the other hand, is a more modern approach that has some advantages over MBR. So, which one should you use? Let’s take a look at the pros and cons of each to help you decide.

MBR vs GPT: The Pros and Cons

As we mentioned before, MBR (Master Boot Record) is the traditional partitioning style that has been around for years. One of the advantages of using MBR is that it’s compatible with almost all operating systems out there. So, if you’re planning on dual-booting or triple-booting your computer with different OSes, MBR is probably your best bet. Another advantage of MBR is that it’s relatively simple to set up and understand.

However, there are also some disadvantages to using MBR. One of the biggest drawbacks is that it’s limited to drives that are 2TB or smaller. So, if you have a large hard drive (3TB or bigger), you’ll need to use GPT instead. Additionally, MBR doesn’t offer any kind of redundancy, which means that if your boot record becomes corrupted, you could lose access to your entire drive. GPT (GUID Partition Table) is a more modern approach to partitions that offers some advantages over MBR. The biggest advantage is

that there’s no size limit on GPT drives—you can have drives that are as big as 16TB without any problems. Additionally, GPT offers built-in redundancy through something called “ Protective MBRs.” This means that if your main boot record becomes corrupted, you can still boot from a backup copy without any issues.

However, there are also some disadvantages to using GPT. One of them is that it’s not compatible with all operating systems. For example, if you want to dual-boot Windows and macOS, you’ll need to use MBR for your Windows partition and GPT for your macOS partition. Additionally, GPT can be more complicated to set up than MBR since it uses a different approach altogether.

So, which one should you use? If you’re just installing a single operating system on a drive 2TB or smaller, then go ahead and use MBR—it’s simpler and more compatible with older systems. However, if you’re planning on using multiple operating systems or you have a drive larger than 2TB, then we recommend using GPT instead. Just keep in mind that it might be more complicated to set up.

How to Find Your Windows 10 Product Key

When you upgrade to Windows 10 from a previous version of Windows, you’ll need your product key to activate it. If you’re planning on doing a clean install of Windows 10 instead of upgrading, you’ll also need a product key—but Microsoft makes finding your Windows 10 product key much harder than it used to be. Here’s how to find it.

Finding Your Product Key the Old-Fashioned Way

If you upgraded to Windows 10 from an activated copy of Windows 7 or 8.1, your product key should be available in the confirmation email that Microsoft sent you at the time of purchase or in the Confirmation Order page in your Microsoft Store account. If you don’t have either of those, you can try contacting customer support.

If none of that works, there’s one final method that may work for finding your lost Windows 10 product key. While this method doesn’t always work—and isn’t guaranteed to—it’s worth a shot if you can’t find your product key anywhere else. To do this, head to the Microsoft Software Recovery site and download the Windows 10 Media Creation tool. Once it’s finished downloading, launch the tool and follow the prompts to create installation media for Windows 10 (a USB drive or ISO file) on another PC.

Once that’s done, boot from the installation media and select “repair your computer.” On the next screen, choose “troubleshoot,” then “command prompt.” At the command prompt window, type in “wmic path software licensing service get OA3xOriginalProductKey” and hit enter. This should display your product key—though it will likely be in encoded form that’s tough to read.

Trying typing “notepad” at the command prompt and hitting enter; this will launch Notepad with your windows 10 product key included in it, which should be much easier to read. From there, write down or otherwise save your product key; once you have it, hit cancel on all the windows until you’re back at the main setup screen and proceed with installing Windows 10 like normal using your newfound product key.


Losing your Windows 10 product key can be a major headache. Fortunately, there are a few different methods you can use to try and find it; even if you can’t locate it anywhere else, you might be able to extract it directly from your PC’s BIOS using WMIC—though that method isn’t guaranteed to work and is far from user-friendly. Still, it’s worth a shot if you just can’t seem to find your product key anywhere else.

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