My photoshop free trial ended early?

[Autumn_How_Are_You2]

I downloaded Photoshop Extended cs4 using the 30 day free trial and it ended like 3 days after I downloaded it. Should I contact them? Should I redownload it? Have I made a mistake? What should I do?

 

[Mohammad]

i thank your pc date is wrong(and he's expire) cheek Your pc date and download again and install,i hope Your problem is solve