You can use Adobe Digital Editions to read books published in Bloom on a computer. It allows you to listen to the audio recording you made with the Talking Book Tool.
This reader can work in a satisfactory way for very simple books.
However based on user experience, the Microsoft Edge browser works better for most books and is recommended if you read books on Windows® 10.
https://www.adobe.com/solutions/ebook/digital-editions/download.html