Developed by Microsoft Research, this program takes a series of overlapping photographs and effortlessly stitches them into one continuous, high-quality image.
In 2021 the Image Composite Editor project was retired and the software was no longer available for download from Microsoft [2] though it can be found on various other sources such as Internet Archive.
Microsoft Research created a tool called ICE for automatically stitching together many pictures into a panorama / composite. It is no longer available from Microsoft, but here are backed up copies for download:
This software excels in creating high-quality panoramas by stitching together multiple images seamlessly. Users can import a series of photographs and let the program automatically align and blend them into a single cohesive image.
Image Composite Editor works with 32-bit and 64-bit versions of Windows Vista SP2, Windows 7, Windows 8, or Windows 8.1. Image Composite Editor is provided free of charge and without official support.
Sometimes, you just can't get a whole picture of something in your viewfinder, so you don't have separate shots. Microsoft Image Composite Editor makes short work of reassembling them and it's free.