need help clearing files from ssd

Liamandrews

Commendable
Aug 8, 2016
12
0
1,510
so i had an ssd with some files and windows 7 on it buy ive just bought a new ssd and downloaded windows 10 on to it and now i want to remove all the files from the old ssd with windows 7 on it because i want to use it still, the problem is i keep getting a message saying i dont have permission from trusted installer to delete the files. any help?