Question: how to download someone else's photo from instagram?
Answer: Launch Instagram on your device and find the image you want to download.
Tap the icon above the image (three vertical dots).
Select the “Copy Link” option.
Visit DownloadGram's website at www.downloadgram.com.
Paste the link into the text box (long press and tap “Paste”).
Tap “Download”, followed by “Download image.”