Please sign in to your Ancestry account. As soon as you log in to your tree. Then, You should select the tree you want to download and then click on the tree. When you click on the name, you will see the options below.
Read full blog: https://familytreemakersupport.com/download-tree-from-ancestry-account/
The uploaded content will be moved to this newly created album. You must create an account or sign in if you want to edit this album later on.