Download Windows 8.1 ISO for bootable flash drive/DVD - pen drive

Windows 8.1 is a personal pc operating system that was produced by Microsoft. Windows 8.1 was released on 08-27-2013, and it reached general availability on October 17, 2013, about a year after the retail release of its predecessor. It was made available as a free upgrade for retail copies of Windows 8 and Windows RT users via the Windows Store.
If you want to reinstall Windows 8.1 for some reason or if you cannot wait to get the latest build of Windows 8.1, you can download the latest version of Windows 8.1 from Microsoft.

How to download Windows 8.1 ISO

Method 1: You download Windows 8.1 ISO directly from Microsoft

Step 1: You visit this page of Microsoft to download Windows 8.1 ISO: https://www.microsoft.com/en-us/software-download/windows8iso

Step 2: You select Windows 8.1 version which you want to download. 

Then you click Confirm

Step 3: You select the product language

Then you click Confirm.

Step 4: You choose verison of Windows 8.1 you want to download 32 bit (x86) or 64 bit (x64) and download it.

Method 2: Download Windows 8.1 ISO by using a free third-party tool

Step 1: You download tool is developed by heidoc.net by click here

Step 2: You onpen this file you download and choose “Windows 8.1”

Step 3: You choose verison Windows 8.1 you want to download (Pro/Single) and select languge of it. Then you click “Confirm”

Step 4: You choose verison Windows 8.1 you want to download (32 bit or 64 bit) then you click download => save

You can see link download Windows 8.1 ISO from Microsoft

All files are ISO files, so you need to extract them. You read this article to know How to open iso file

You can watch this video to know how to use this tool:

With this method you can download:

• Windows 8.1 Pro ISO 32 bit – 64 bit
• Windows 8.1 Single Languge ISO 32 bit – 64 bit
• Windows 8.1 N Pro ISO 32 bit – 64 bit
• Windows 8.1 K Pro ISO 32 bit – 64 bit
• Windows 8.1 KN Pro ISO 32 bit – 64 bit

Microsoft Windows 8.1 Pro OS Requirments

• Memory: 2GB
• Hard disk space: 20GB available
• DirectX 9 graphics processor with WDDM driver
• Connectivity: Internet access (fees may apply)

After you download windows 8.1ISO , you can activate it by this method:
How to activate windows 8.1 without product key