I have a google drive shared folder link, which has the write privileges such as add files or edit them.
My question is can anyone without google account can still add files if he/she has this link. Because I tried myself and It does not allow, but at the same time why does the privilege say that anyone with this link can add files.
No. Trying to upload to a public folder will require you to sign-in to your Google account. The interface looks something like this: