epanet-js
No installs. No forced cloud storage. Just fast, local-first water modeling — powered by the engine you already trust.
You shouldn't have to choose between speed, security, and affordability just to understand your water networks.


Are you excited to dive into the world of ProPresenter 7, but finding that you need an unlock code to access all its features? You're not alone! Many users face this challenge, but don't worry, we've got you covered. In this blog post, we'll walk you through what you need to know about the unlock code for ProPresenter 7, how to find it, and what you can do with it.
Visit the official Renewed Vision website and log into your registration portal. Your active keys and seat counts are listed under your profile.
Renewed Vision also offers a that provides full access to all ProPresenter features without any watermark or commitment—allowing you to test the software in your actual production environment before purchasing.
To remove the watermark and unlock the full features of the software, follow these steps: unlock code propresenter 7
To unlock the full version, you simply sign in with your Renewed Vision account credentials (email and password) within the software. Once you log in and select your active seat or subscription, the watermark is removed automatically.
If you have entered the code but still see the Renewed Vision logo on your output:
Search the email address associated with your organization’s purchase. Look for messages from or sales@renewedvision.com . The email usually contains the subject line "ProPresenter Purchase Receipt" or "ProPresenter License Information." 2. Use the Online License Lookup Tool Are you excited to dive into the world
Copy and paste your into the designated field to avoid typos. Click Activate . The watermark will disappear instantly. Troubleshooting Activation Issues
If you are using the subscription model (ProPresenter+), ensure you are logged into the correct account within the app settings. 4. Understanding ProPresenter+
ProPresenter 7 has fundamentally changed how churches and live event venues handle media. Unlike previous versions, the move to a subscription-based model and the removal of the traditional "master license key" has led to some confusion about how to actually unlock the software. If you are looking for an unlock code for ProPresenter 7, this guide will explain how the new system works and how to get your seats activated. In this blog post, we'll walk you through
In older versions of the software like ProPresenter 5 and 6, Renewed Vision used traditional alpha-numeric license keys. These static unlock codes were entered directly into the software to register it.
To avoid stressful situations right before a live event or church service, follow these best practices:
Enter the billing email address used during the original purchase.
The biggest jump in version 7 was the Multi-Screen capability. Previously, you needed expensive hardware (like a Matrox TripleHead2Go) to send different content to different screens. Now, Pro7 handles it natively. You can send lyrics to the main room, a high-contrast "Stage Display" to the singers, and a lower-third overlay to your livestream—all from one machine.
No setup or downloads — just instant access right in your browser.
EPANET was a gift to the industry — free, open-source water modeling for all. But commercial vendors built on it, locked away improvements, and left the community behind.
epanet-js is our answer: a faster, simpler, affordable water modeling tool that protects your privacy and sustains the open-source future of water modeling.
We're proud to be part of the next chapter — and we're just getting started.

When you purchase more features in epanet-js, you're investing in the future of open-source EPANET development.
Our open-source model balances innovation and accessibility:
Anyone can build on our code. The two-year commercial-use delay gives us the incentive to keep pushing forward — and that fuels progress for everyone.
That means when you support us, you support more affordable hydraulic modeling software for the entire community.
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Available for non-commercial projects, learning, and student work.
For curious minds and personal growth.
Free for students and teachers.
Find answers to common questions about epanet-js.
No install. No login. No cloud required.
You may not know this, but for decades, the U.S. EPA has given the water industry an extraordinary gift: the free and open-source hydraulic modeling software EPANET. Odds are, if you've used any commercial hydraulic modeling software today, it was built on the EPANET engine.
The problem is, instead of giving back to their open-source roots like other industries do, big-name software vendors took EPANET's open code, built private tools on top of the engine, and then locked those improvements behind patents and proprietary licenses.
Some vendors even pressured the EPA to focus only on the engine — discouraging any effort to improve the interface or user experience for everyone else.
Those vendors now charge you exorbitant prices to use their software while EPANET lags behind — and utilities, engineers, and educators with smaller budgets suffer.
We think this is backwards — and we're on a mission to change it. We're focused on creating a better experience for the entire hydraulic modeling community.
That's why we built epanet-js under an FSL license — because we want to give you an affordable, easy-to-use water modeling option that creates a sustainable future for open-source EPANET development.
Support EPANET by using software that supports it back.
Simple, quick, and useful right out of the gate — designed to open-and-go.
Launch epanet-js now