Version 2025.4.16 - System Advisor Model - SAM

SAM 2025.4.16 for Linux

sam.support@nlr.gov (Paul Gilman) — Wed, 16 Apr 2025 09:41:05 -0600

In Linux, the .run file is a self-extracting archive. By default it installs in /home/SAM/ or /opt/SAM/.

Linux Installation Instructions

After the download finishes, open a terminal window and go to the Download folder:
cd [path/to/Downloads]
Add execute permissions to the file:
chmod u+x ./sam-linux-2025-4-16-r2.run
Run the installer:
./sam-linux-2025-4-16-r2.run
When the installer finishes, to run SAM:
cd [path/to/SAM/2025.4.16] ./SAM

If you are having problems after installing SAM with text being unreadable, try changing the text size to normal in the operating system's accessibility settings, or changing the text scaling in the display settings.

SAM 2025.4.16 for Mac

sam.support@nlr.gov (Paul Gilman) — Wed, 16 Apr 2025 09:39:31 -0600

SAM 2025.4.16 requires MacOS 12 Monterrey or later.

Mac Installation Instructions

Double-click the package (sam-macos-2025-4-16-r2.pkg) to run the installation program.

For some older versions of MacOS (OS X), a security feature called Gatekeeper may prevent you from starting SAM. For more on bypassing Gatekeeper, see this CNET article.

If SAM does not display correctly in macOS Dark Mode, close SAM, switch macOS to Light Mode, and then restart SAM.

SAM 2025.4.16 for Windows

sam.support@nlr.gov (Paul Gilman) — Wed, 16 Apr 2025 09:37:27 -0600

SAM 2025.4.16 requires Windows 11/10 (64-bit). Please let us know if you have any trouble installing SAM.

Windows Installation Instructions

Double click the .exe installation file and follow the instructions in the installation wizard. By default SAM will install in the c:/SAM/2025.4.16 folder.