Members of the (currently $99 USD/year) have access to the Apple Developer Downloads portal, which contains a historical archive of macOS releases, including:
There are generally two versions of Tiger you might find: mac os 10.4 iso download
This article is for educational and historical preservation purposes only. Mac OS X 10.4 "Tiger" is end-of-life software. Downloading this operating system from unofficial sources may violate copyright laws depending on your jurisdiction. Always verify the legality of ROMs and ISOs in your country. This guide does not provide direct piracy links but explains the technical process and risks. Members of the (currently $99 USD/year) have access
Released in April 2005, Mac OS X 10.4 Tiger was a landmark release for Apple. It was the first version of Mac OS X to be included on the original Intel-based Macs, bridging the gap between the old PowerPC architecture and the x86 architecture that Macs use to this day. Always verify the legality of ROMs and ISOs in your country
To summarize the "Mac OS 10.4 ISO download" process: