To view collections created on NFT.io, navigate to the website and select the "Collections" option from the menu. Alternatively, you can access the page directly using this URL:
To access your personally created collections on NFT.io, simply hover over your profile avatar located at the top right corner of the screen and click on "My Collections".
This menu is available only if you have a wallet account linked to NFT.io and have already created your own collections.