Navigate to your "Downloads" folder in "Finder" by clicking on the desktop, and pressing keys Command + N.
Double click on file "ss_client_26.0_mac_os_multilingua.zip". That action will open the "zip" archive and extract file "SS_CLIENT_26.0_MAC_OS_MULTILINGUA.dmg".
Double click file "SS_CLIENT_26.0_MAC_OS_MULTILINGUA.dmg". That will start the installation.
Once the installer is open, click on "SPSS_Statistics_Installer".
Click on "Open".
Enter your local computer:
- Name.
- Password.
- Click on "Install Helper".
Click "OK".
Click "OK" to being the installation of IBM SPSS.
Click "Next".
Click the radio button "I accept ..." followed by "Next".
Click on radio button "No" followed by "Next".
Click "Next".
Click "Install".
Check "Start SPSS Statistics 26 License Authorization Wizard" followed by "Done".
Click "Next".
Check radio button "Autorized user license ..." followed by "Next".
Enter the license code from your email followed by "Add" and "Next".
On the next page you'll see the button "Finish". That completes the installation.