For Our Users

Current Software Releases:

  • Structural Engineering Library: Build 10.17.7.24
  • Network License Manager: Build 6.1.80

Shown above are the latest builds we have created and what our installers will provide. Builds may be created and made available for download at any time. To limit the number of updates that users are alerted to, the web update system (within the software) may not provide the very latest builds at all times.

Existing Users


Customer Information

Manage Your License, Request PCC Resend, Change Information, Purchases, etc.

Click the link and enter your "KW" number and "password". (You will be given a link to request your password if needed)

Shows license owners contact information, license type, seat count, latest allowed version number, Maintenance & Support Plan expiration dates and much more.

You can get full installation and update download links, renew MSP, order additional "seats", display installation info and software documentation, request your "Product Control Code" be resent, request quotes and submit user information changes.


Software Installation Links

INSTALL : Structural Engineering Library

Installation link for the full Structural Engineering Library.

Requires that registered users enter a valid Product Control Code for the installation to proceed.

Also offers installation of the Network License Manager.

INSTALL : Network License Manager

Installation link for the Network License Manager.

Requires that registered users enter a valid PCC for the installation to proceed.


Structural Engineering Library UPDATE Links

UPDATE: Structural Engineering Library

Install the latest updates for a previous full installation of the Structural Engineering Library.

Requires an active Maintenance & Support Plan.

UPDATE: Seismic Database Installer

Installs files necessary in SEL Build 6.12.3.1 and later which use new seismic databases prepared from the latest USGS data. This is a large 145 MB file so will take a while to download & install.

UPDATE: Network License Manager

Installs files necessary to bring an existing installed Network License Manager (NLM) installation up to the latest release. This installation requires that you have already done a full installation of the NLM on the computer.


Installation Info & FAQ

Installation Guide

Installation & Activation information for Structural Engineering Library Flex Licenses. Not for Network Licenses. [PDF]

Network License Installation Guide

Installation & Activation information for Network Licenses of Structural Engineering Library. Not for "Flex" licenses. [PDF]


Maintenance Plans & Upgrades

Maintenance & Support Plan

Full description of the Maintenance & Support Plan.


Documentation Links

Introductory Videos View our ever expanding series of introductory videos.
SEL Installed Version User’s Manual Browser-based documentation for the installed version of Structural Engineering Library documentation
SEL Installed Version User’s Manual [PDF] PDF format documentation for the installed version of SEL Structural Engineering Library
SEL Cloud Version User’s Manual Browser-based documentation for the Cloud version of Structural Engineering Library
SEL Cloud Version User’s Manual PDF format documentation for the Cloud version of Structural Engineering Library
ENERCALC 3D Training Manual Browser-based training manual for ENERCALC 3D
ENERCALC 3D Training Manual PDF format training manual for ENERCALC 3D
Knowledge Base Collection of answers to Frequently Asked Questions regarding Cloud and installed versions of Structural Engineering Library

Information Links - PDF Files

Single License Installation Instructions Installation & Activation information for Structural Engineering Library single (non-network) license installation.
Network License Installation Instructions Installation & Activation information for Structural Engineering Library and the Network License Manager. Also includes configuration information for the NLM.
Manual License Activation How to activate a license when there is a problem with Internet Activation. This involves emailing us an Installation ID and having us respond with an "Unlock Code". This limits your ability to easily move the license between computers because Manual Activation is machine specific.

Useful Forms - PDF Files

Quote Request - Additional For current Structural Library users, request a quote for purchasing additional licenses (usually at deep discounts).
Quote Request - New Request pricing for NEW purchase
Change of Information To change your address or other contact information
Corporate W-9 Form To get a copy of our corporate W-9 form
License Agreement PDF file of the ENERCALC License Agreement

Prior Version Software

Reinstallation Contact ENERCALC to request installation links where the licenses Maintenence and Support Plan has expired. Applies to registered users only.