How to upgrade from Windows 8.1 to Windows 10 on a PC

Want to upgrade your PC from Windows 8.1 OS to Windows 10 OS? Read the article to know how to install Windows 10 on a Windows 8 PC. Also read about the pros and cons of installing Windows 10 on a PC and how to activate Windows 10 without using an activation key.

It is easy to upgrade from Windows 8.1 to Windows 10 OS on a PC. But before you proceed you should consider going through the terms and conditions which Microsoft has put in its Insider program ( about installing the Windows 10 Technical Preview.

Requirements to upgrade from Windows 8.1 to Windows 10

There are three requirements to upgrade from Windows 8.1 to Windows 10 OS.

1. Have a copy of Windows 10 Technical Preview ISO. If you don't have one, read how to get it.

2. Windows 10 uses a bit more space than any other OS. So check your HDD space before installing it. It is recommended to have a free space of 25 GB but 30 GB is ideal.

3. Have a ISO software like DemonTools or PowerISO. Go through the below link to download the software.

Upgrading from Windows 8.1 to Windows 10

Below is the step by step guide to install Windows 10 OS on a Windows 8.1 PC:

1. Mount the ISO file that you have downloaded.

Step 1 Installing Windows 10 on a Windows 8.1 PC

2. Now open the mounted ISO from the virtual drive.

Step 2 Installing Windows 10 on a Windows 8.1 PC

3. Run setup.exe file.

Step 3 Installing Windows 10 on a Windows 8.1 PC

Note: You can also run the setup by clicking on "Install or run program from your media" option (see above the "Open" option under step 2 screenshot) or by double clicking on the virtual drive or simply by using step 2 and 3 instead.

4. Windows is now preparing the setup! After the loading is complete, a Windows 10 Technical Preview Setup window will open. Check the "I accept the license terms" box and click on Accept option.

Step 4 Installing Windows 10 on a Windows 8.1 PC

5. Windows will be getting few things ready and you have to wait for some minutes.

6. Now you need to choose what to keep. All options are select by default. Change them by clicking on "Choose what to keep" option or just click Install.

Step 5, 6 and 7 for Installing Windows 10 on a Windows 8.1 PC

7. You are done! Windows 10 will be installed soon.

Installing Windows 10 on a Windows 8.1 PC screenshot

Disadvantages of installing Windows 10 on a PC

There are plenty of bugs in Windows 10 Technical preview and it is hard to get used to it. Below are some bugs in Windows 10 that made me revert back to Windows 8.1 OS.

1. Things work fast except opening of Network option when you click on "Networks" icon on the taskbar.

2. It also takes a long duration of time after you click on "Personalize" in the Start Menu.

3. As I chose to keep system files, personal settings and apps before installing Windows 10, I can't remove, reinstall or repair Microsoft Office 2013.

4. Unable to open to BIOS menu and other stuff at the start. I am confused about how the Windows 10 OS affects the keys to open BIOS settings?

An advantage I experienced!

Though Windows 10 Technical Preview is full of cons, yet I experienced a cool advantage that it hard to find. It is the fast booting and fast turn off.

But there is a bug in that also. I didn't felt the fast boot and turn off for couple of hours.

Read some facts about Windows 10 Technical Preview or read what our experts say about installing Windows 10 OS on a PC.

No need of key for activating Windows 10

You can activate Windows 10 without a key like I did. Follow the steps below after you have successfully installed Windows 10 on your PC:

1. Connect your PC to the internet.

2. Open "PC settings" from the Start Menu.

3. In the Activate Windows tab, click "Activate".

4. Restart and you're done!

I only recommend these steps for activating Windows 10 on a PC. I can't guarantee its working on virtual machines. Still looking for product keys of Windows 10, click here to get them.

If you find the above Windows 10 activation trick on any other webpage, please report.

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Guest Author: Martin Mintah21 Oct 2017

You could as well go through this process and it might help.

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