Folder Reverting to Read Only

I have two drives. My C drive and my D drive. I use my D drive as an external hard drive, but it's internal. My C drive is an SSD and my D drive is an HDD. My SSD is too small, so everything large goes on the HDD. Every folder in my HDD is read-only. I right click the folder and go into properties and take it off read-only and apply the changes, when I go back into properties the folder in question is back on read-only. I have googled this problem multiple times. So all of the basic things that I can try, have been tried. I'll list them below.

Both CMD with Admin Privileges
attrib -r +s drive:\<path>\<foldername>

attrib -r -s drive:\<path>\<foldername>

Example Images: Not my system, the images are examples but I did the aforementioned and still no result.





CMD with Full Admin Privileges

attrib -r "full path of folder\*" /s /d

Powershell: With full Admin Privileges

Get-ChildItem -Path "full path of file with extension" -Recurse -File | % { $_.IsReadOnly=$False }


If there is anything else that I can try to get these folders off Read-Only. Please give me a detailed set of instructions that even a layman like myself can understand. Thanks in advance!