How to Download the Original Windows 8.1 Pro 32-Bit and 64

This collection presents meticulously preserved Windows 8.1 ISO files, sourced directly from Microsoft's official download servers before the operating system reached its End-of-Life (Extended Support ended January 10, 2023).

本文提供各版本微軟官方 繁體中文 Windows ISO 映像檔 (非 Server 版) 下載方法及連結給需要的朋友。 Windows 10 之前的版本，官方已不再提供下載。 所提供的 Windows 8.1 及之前版本皆為本站所留存的官方 ISO 映像檔。

Here are the direct links to download the Windows 8.1 Pro ISO 64-bit and 32-bit files. You are required to enter the product key for Windows 8.1 Pro when installing.

In this guide, I’ll teach you how to download the 64-bit or 32-bit version of the Windows 8.1 ISO file. (You can use these instructions to create a USB flash drive.)

EaseUS OS2Go 是一款出色的工具，可以下載 Windows 11/10/8.1/8 ISO 檔案以及創建可啟動的 Windows USB 硬碟。 使用此工具，您可以簡單地在您的 USB 隨身碟上獲取 Windows 環境，並在 Windows 或 Mac 裝置上運行它。