How Free up Disk space on my pc

Question

 

Hello how are you:

 

Would you happen to know how to free up disk space on Drive D on a computer I have a Hp Pavillion Desktop and Monitor with Windows Vista

 

I Ran The Disk Defragment

I ran The Remove unused Programs/files which was susposed to free up space

 

 

But Nothing helped did I do something wrong

 

All Possible Help is Welcome and will be appreciated

 

Thanks

 

Have A Great Day