This is the hard-to-find Apple-original iMovie 2.0.3 CD which works with Mac OS 9.1. This item was only released as a bare CD without any manuals or packaging.
System Requirements

• A Macintosh computer with a G3 (or later) 300 MHz or faster processor and a built-in FireWire port.
• A CD or DVD drive
• At least 64 megabytes (MB) of random-access memory (RAM). (128 MB of RAM is recommended.) If running with 64MB you must turn Virtual Memory ON in the Memory Control panel in order to launch iMovie.
• 200 MB of available (unused) hard disk space (4 gigabytes are recommended. For example, 5 minutes of imported digital video requires about 1 gigabyte of disk space.)
• A monitor that supports 800 x 600 resolution (1024 x 768 is recommended) and thousands of colors (millions of colors is recommended)
• Mac OS 9.0.4 or later
• QuickTime 4.1.2 or later
• FireWire 2.4 or later (FireWire Support and Enabler extensions)

Other Requirements

• A digital video (DV) device, such as a camcorder or deck, with a FireWire, IEEE 1394, or iLink port
• A 4-pin-to-6-pin FireWire cable (for use with DV camcorders)

To view your movies with a television and/or VCR, you also need cables to connect your DV device to a VCR or television.