: Multi-core processor (the faster the clock speed, the faster the simulations).
Modifying the software core files can break the calculation engines, leading to faulty simulation data that can ruin real-world construction projects.
Integrated Environmental Solutions Virtual Environment (IES VE) is the industry-standard software suite for building performance simulation. Architects, engineers, and sustainability consultants worldwide rely on this powerful tool to model energy use, daylighting, HVAC performance, and carbon emissions.
Before downloading, ensure your machine meets these specifications to run simulations effectively:
New to IESVE? IES provides a wealth of free resources to help you get up to speed. ies virtual environment download
: Solid State Drive (SSD) with at least 5 GB of free space for installation, plus extra space for project simulation data.
Purchased licenses follow a similar installation process.
If you are a student or a freelancer looking to test the waters, IES typically offers a trial period (often 30 days). However, unlike some software that automatically locks you out, IES often works on a license-borrowing system. The software connects to a license server (The License Manager). If you are downloading this for a corporate machine, you must ensure your IT department has whitelisted the IES license server ports; otherwise, the download will install, open, and immediately crash when it fails to find a license "seat."
Intel Core i7 / AMD Ryzen 7 or higher. High clock speeds (GHz) heavily benefit single-threaded simulation tasks. : Multi-core processor (the faster the clock speed,
IES frequently updates the VE. Ensure you are downloading the latest "Feature Pack" (e.g., VE 2023 or VE 2024) to access the newest simulation capabilities.
Downloading the software requires following a specific registration and activation process through the official IES Download Centre . 1. Check System Requirements
: Professional users can download the latest version from the IES Download Centre after purchasing a license from authorized retailers or resellers. How to Download and Install IESVE
By default: C:\Users\[YourName]\Downloads\IESVE_Setup.exe : Solid State Drive (SSD) with at least
⚠️ Never download IES VE from third-party sites. Only use official sources to avoid malware or broken modules.
Open the IES VE License Manager from your Windows Start Menu, enter your activation keys, or point the software to your company’s network license server path.
Read and accept the End User License Agreement (EULA).
To ensure you get a secure, up-to-date, and fully functional version of the software, always download the installer directly from the official source. Step 1: Navigate to the Official Download Portal