SolTerm 5.3.7 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program belongs to Education Tools. The most popular versions among the software users are 5.1 and 4.5. This free software is a product of INETI - DER. We recommend checking the downloaded files with any free antivirus. Commonly, this program's installer has the following filenames: SolTerm_5.exe and solterm_v4.exe etc.
From the developer:
SolTerm is a software application developed by LNEG that simulates and analyses the performance of solar systems, tuned to the specific climate and technical environment prevalent in Portugal.
The current version under distribution is 5.1.4 (version 5, release 1, revision 4).
You may want to check out more software, such as SimulationExams.com A+ Essentials Exams, TestKing Q and A - VMware VCP-310 or PrepLogic CompTIA Security+, which might be similar to SolTerm.