In the past Apple made old versions of their classic system available for free. Notably that included 7.5.3 which is what I use https://web.archive.org/web/199

In the past Apple made old versions of their classic system available for free. Notably that included 7.5.3 which is what I use https://web.archive.org/web/19991002011823/http://download.info.apple.com/Apple_Support_Area/Apple_Software_Updates/English-North_American/Macintosh/System/Older_System/System_7.5_Version_7.5.3/ https://web.archive.org/web/19991002011823/http://download.i... I would have to check about ROM files!