Context? Why do you need Jessy to talk about Lind?
If you're looking for the general to talk with, when Lind is still in your prison, you can find him in the bottom right room of the sleeping chambers in your castle.
Click the icon in the top right to change the view, so that you can see the file names of all options. All files are clearly labeled in their name, for example "Windows Version" is the full release for windows.
If you have the previous version 21.08.21, you can use the update files. Else, you can download the full game version again, and move your saves from the old folder to the new folder. Both are explained and shown in this video:
You must be registered to see the links
Android is a different story. On android, you can only update by downloading and using the newer .apk file.