Tap

, usually along the bottom of the screen, then swipe up, and tap 'Add to Home Screen'.
More Info
Troubleshooting: if you don't see the 'Add to Home Screen' option, scroll to the bottom and tap 'Edit Actions', then tap 'Add' next to the 'Add to Home Screen'. After that, try again. Or see
Apple's Guide
Tap the

in the top right corner of the screen, and then choose 'Add to Home Screen'.
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Troubleshooting: If you cannot see the 3-dot menu, you may be in another app's internal browser. Run the browser app directly (e.g. Chrome or Firefox Fennec), and then open the MedImage app address from there. Or see
More Tips
Click the

or

or

style icon in the address bar, to the left of the address, and depending on the browser, drag this onto your desktop.
More DetailsIn Edge on Windows, use

> "Apps" > "Install this site as an app".