Where to download
http://www14.software.ibm.com/download/data/web/en_US/trialprograms/W110742E06714B29.html
Resources to help you learn and use SPSS
http://www.ats.ucla.edu/stat/spss/
What statistical analysis should I use? Statistical analyses using SPSS
http://www.ats.ucla.edu/stat/spss/whatstat/whatstat.htm