If you have already installed windows 10 pro rs4 v180317134191 enus x64 july2018 v3 prea 64 bit :
: Dictates that the architecture is exclusively designed for 64-bit AMD and Intel processors, allowing the system to address more than 4GB of RAM. If you have already installed windows 10 pro
The specific OS build number reached after installing the KB4340917 cumulative update released on July 24, 2018. en-US: Indicates the English (United States) language pack. x64 / 64-bit: Designed for 64-bit processor architectures. x64 / 64-bit: Designed for 64-bit processor architectures
The technical string you provided refers to a specific distribution of Windows 10 Pro (April 2018 Update), also known by its development codename Redstone 4 (RS4) Core Specifications 1803 (April 2018 Update). (This corresponds to cumulative update , released on July 24, 2018 Architecture: x64 (64-bit). en-US (English - United States). Pro (Professional). Version & Build Analysis en-US (English - United States)
| Component | Meaning | Legitimacy Flag | |-----------|---------|----------------| | windows 10 pro | Edition: Windows 10 Professional | ✅ Legit | | rs4 | Redstone 4 – internal code name for (April 2018 Update) | ✅ Legit | | v180317134191 | Appears to be a custom build tag: 180317 likely refers to March 17, 2018, followed by a non-Microsoft build number (official builds use format 10.0.17134.x ) | ⚠️ Suspicious | | enus | Language: English (United States) | ✅ Legit | | x64 | Architecture: 64-bit | ✅ Legit | | july2018 | Packaged/uploaded in July 2018 | ℹ️ Metadata | | v3 | Version 3 – suggests multiple iterations of this custom ISO | ❌ Unofficial | | prea | Likely short for "Pre-Activated" or a scene group tag | ❌ Unofficial | | 64 bit | Redundant clarification | ✅ Legit |