| Official Build | Version | Release Date | |----------------|---------|---------------| | 17134.1 | 1803 RTM | April 2018 | | 17134.112 | 1803 May Update | May 2018 | | 17134.285 | 1803 October Update | October 2018 |
Below is an informational article explaining what that string likely represents, the risks involved, and how to properly obtain legitimate Windows 10 Pro. If you’ve encountered this filename online — on a torrent site, forum, or file-sharing platform — you’re looking at something that does not originate from Microsoft . Let’s break it down piece by piece. Deconstructing the Filename | Part | Meaning | Official? | |------|---------|------------| | windows 10 pro | Edition: Windows 10 Pro | ✅ Legit | | rs4 | Redstone 4 — internal Microsoft codename for version 1803 (April 2018 Update) | ✅ Legit | | v180317134191 | Likely a custom build timestamp (March 17, 2018, 13:41:91 format — invalid for MS builds) | ❌ Unofficial | | enus | English (United States) language | ✅ Legit | | x64 | 64-bit architecture | ✅ Legit | | july2018 v3 | Third version/revision from July 2018 | ❌ Not MS standard | | prea | Possibly "Pre-Activated" | ❌ Dangerous | | 64 bit | Repeated emphasis on architecture | ❌ Redundant | | Official Build | Version | Release Date
It’s important to clarify upfront: rather than an official Microsoft release designation. Deconstructing the Filename | Part | Meaning | Official