diff --git a/DemoPrograms/Demo_Demo_Programs_Browser.py b/DemoPrograms/Demo_Demo_Programs_Browser.py
index 2bda80d0..44990b96 100644
--- a/DemoPrograms/Demo_Demo_Programs_Browser.py
+++ b/DemoPrograms/Demo_Demo_Programs_Browser.py
@@ -254,10 +254,11 @@ def run(app_name, parm=''):
 
 
 def run_py(pyfile, parms=None):
+    python = 'python' if sys.platform.startswith('win') else 'python3'
     if parms is not None:
-        execute_command_subprocess('python', pyfile, parms)
+        execute_command_subprocess(python, pyfile, parms)
     else:
-        execute_command_subprocess('python', pyfile)
+        execute_command_subprocess(python, pyfile)
 
 
 def execute_command_subprocess(command, *args, wait=False):
diff --git a/DemoPrograms/Demo_Project_File_Searcher_Launcher.py b/DemoPrograms/Demo_Project_File_Searcher_Launcher.py
index c8601a9f..49ce4c65 100644
--- a/DemoPrograms/Demo_Project_File_Searcher_Launcher.py
+++ b/DemoPrograms/Demo_Project_File_Searcher_Launcher.py
@@ -353,7 +353,7 @@ def main():
             for file in values['-DEMO LIST-']:
                 file_to_run = str(file_list_dict[file])
                 sg.cprint(file_to_run,text_color='white', background_color='purple')
-                execute_command_subprocess('python', f'{file_to_run}')
+                execute_command_subprocess('python' if running_windows() else 'python3', f'{file_to_run}')
                 # run_py(file_to_run)
         elif event.startswith('Edit Me'):
             sg.cprint(f'opening using {editor_program}:')