principles and practice of sem, 5th ed.
rex b. kline, guilford press, 2023

all syntax, data, and output files for analysis examples
in this book can be opened with any basic text editor
such as Windows Notepad, among others

that is, no special software other than a text editor is 
needed to view the contents of any file

syntax files (*.r) for all examples were run under R for Windows, 
Version for R-4.2.2, to generate the output files (*.out)

the R Console automatically generated on start up the text listed next:

R version 4.2.2 (2022-10-31 ucrt) -- "Innocent and Trusting"
Copyright (C) 2022 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64 (64-bit)

versions of R are also available for macOS and
Linux (Debian, Fedora/Redhat, Ubuntu)

the R environment for statistical computing and graphics and 
packages for R are all free; for more information see

https://cran.r-project.org/