There are plenty of statistical software/languages that can be used for various types of data analysis, other options being R, Stata, SAS, Excel or Python. You can find many free online tutorials online but can also find subscription-based courses as well.
One way to learn how to use SPSS is simply by watching YouTube videos. I have a YouTube channel on SPSS/PSPP that might be helpful. https://www.youtube.com/@ramagokulakrishnan