IMPORTANT: As of June 2021, RetainPro's earth retention modules are now part of ENERCALC Structural Engineering Library (SEL).

The suggested hardware specifications for the ENERCALC Structural Engineering Library are available at enercalc.com/Products/Specs.

RetainPro can easily operate on any typical computer sold within the last 6 years. Basic requirements are :

Operating System: Windows 10 and later
Hard Disk Space: 30MB
Computer RAM Needed:  64 MB
Screen Resolution: 1200x800
Internet Activation and Web-Update: Internet connection required