
ES x64 - 3,7 Gb | x32 - 2,7 Gb

Checked by antivirus:
You can create a bootable flash drive using the WinSetupFromUSB application by following the instructions.
You can install the system by following the instructions.
1) You will need a product key. You can purchase a key from our catalog with instant delivery to your email.
2) Then, activate the system using the standard method outlined in the instructions.
Download the original Windows 8.1 Professional installer
On this page, you can download the official Windows 8.1 Professional ISO image — a clean installation file from Microsoft, designed for users who require advanced management and security features. The installer is completely original, unmodified, and corresponds to the latest available version.
What are you downloading?
- The original Windows 8.1 Professional ISO image without third-party software
- Support for English language
- Suitable for creating a bootable USB drive using this guide
Important
Windows 8.1 Professional is intended for professional use. After installation, activation will be required. You can purchase a licensed product key on our website on the product page.
Why choose the original Windows 8.1 Professional installer?
The original ISO image ensures stability, security, and access to professional features such as BitLocker, Remote Desktop, and domain support. Pirated builds and activators may contain malicious software, including viruses, trojans, or hidden miners that compromise your data and system performance.
Tip: Download the original Windows 8.1 Professional image, perform the installation, and activate the system with an official product key. This guarantees reliable, secure, and optimized operation of your operating system for professional tasks.