While Project I.G.I.: I'm Going In is not currently available on major digital storefronts like Steam or GOG, community-driven blog posts and historical archives preserve its legacy and provide access to the game. Historical Legacy & Retrospectives
Recommendations:
Since there is no official digital storefront, the gaming community relies on archival and community-driven sites to keep the game alive: project igi 1 zip file download link
(like dgVoodoo2) to help the legacy graphics render correctly on modern hardware. System Requirements Project IGI - Download
Tips and Tricks:
Download Project IGI im-going-in for Windows - Filehippo.com
Conclusion
Before proceeding:
Potential Risks: