Birdi files will usually be downloaded directly to your Downloads folder, or equivalent. Each browser will allow you to check or update your downloads location. To find out how to update this, follow the below steps:
Google Chrome
Open Chrome and go to the Chrome Settings page.
Mac: Go to Chrome > Preferences in the menu bar or use the ⌘Command, shortcut.
Windows: Go to File > Preferences or click the vertical ellipses in the top right corner and choose Settings.
Scroll down and click on the Advanced link to expand the settings.
In the Downloads section, you can see what location any downloads will be saved to.
Use the Change button to update this to another location (if desired).
Mozilla Firefox
Open Firefox and go to Preferences > General in the main menu:
Scroll down to the Files and Applications section.
In the Downloads settings, you can check the location where to Save files to.
Click Choose to select another folder.
Safari
Open Birdi in Safari.
Head to Safari > Preferences in the main menu.
In the General tab, check/update the File download location.