As a non-admin user:
1) Login to https://disk.readyspace.com or https://disk2.readyspace.com
2) Go to Libraries > My Libraries.
3) Hover over the library you wish to transfer.
4) Click the Three Dots (⋮) or the Share/Transfer icon next to the library name.
5) Select Transfer
6) In the pop-up window, enter or select the email address of the new owner.
7) Click Submit to transfer ownership.
8) The library will immediately move from your "My Libraries" tab to the recipient's "My Libraries" tab.
As an Adminstrator:
1) Login to https://disk.readyspace.com or https://disk2.readyspace.com
2) Click your profile avatar in the top right corner and select System Admin.
3) In the left sidebar, navigate to Libraries > All.
4) Search for or locate the target library.
5) Hover over the library row, click the Three Dots (⋮) menu, and select Transfer
6) Enter the email address of the new owner and confirm the transfer.