You can share a created folder using the COS console.
Log in to the COS console.
Click Bucket List on the left sidebar.
Click the name of a bucket where the folder to share is stored.
Click File List on the left sidebar.
Find the folder to share, and click More > Share Folder in the Operation column.
In the pop-up window, configure Permission, Validity Period, and Password. Then, click OK.
You can now view the generated share link in the pop-up window. Click Copy Link and Password and share it with others.
The recipient can enter the password and view the shared folder as well as the files in it.
On the share file page, the recipient can download the file, or view information such as the object storage class, size, and modification time.