The official tool:
Instead of using an installer tool to download the operating system, you can pull the complete disc image (ISO) from Microsoft's legacy architecture pool and flash it manually. Step 1: Download the Official ISO
While Windows 10 and 11 have robust, modern creation tools that run directly on your PC to build a USB installer, Windows 8.1 sits in a strange middle ground. windows+81+download+64+bit+media+creation+tool+link
Here are the two best tools for the job:
Before we provide the link, understand the risks. Third-party websites often offer "Windows 8.1 ISO 64-bit direct download," but many contain malware, adware, or modified files. is using Microsoft’s own Media Creation Tool . The official tool: Instead of using an installer
Choose – this is the version for modern processors. Note: The 64-bit ISO is about 4.5 GB in size.
1 GHz or faster with support for PAE, NX, and SSE2. RAM: 2 GB minimum for the 64-bit version. Hard Disk Space: 20 GB of free space available. Third-party websites often offer "Windows 8
: You will see two buttons. Click 64-bit Download .
: From the dropdown menu, select Windows 8.1 .