Folders that are shared via InstaSlide are only available while InstaSlide is running.
Follow these easy steps to start InstaSlide automatically after login.
1. Press Windows logo key + R key to show the run dialog window. Enter "shell:startup" and click ok.
2. Right click the InstaSlide icon on the desktop end then click copy in the context menu.
3. Right click the white area in the windows startup folder and click paste in the context menu. (not, your startup folder might not be completely empty and show other items already)
4. This is how the startup folder looks like after copying the InstaSlide desktop icon.