Attempting to install Illustrator 7.0 on a modern computer (Windows 10/11 or macOS Sonoma/Ventura) presents significant hurdles: Illustrator 7.0 - Adobe Community
It was built for Windows 95/NT 4.0 and Mac System 7.5 , requiring just 16 MB of RAM. The Risks of Downloading "Full" Old Versions adobe illustrator 70 free download full
The short answer is Adobe does not provide Illustrator 7.0 for free download. While some history-focused sites like the Internet Archive or Macintosh Repository host these files for preservation, they are not intended for modern production use. A Look Back: Adobe Illustrator 7.0 (1997) Attempting to install Illustrator 7
Released in May 1997, Illustrator 7.0 was a landmark version that unified the interface between Mac and Windows for the first time. A Look Back: Adobe Illustrator 7
I wonder if you could partition the new PC's HD and install Windows XP ( or whatever version you were running on the previous PC )
It retailed for roughly $595 (or $99 as an upgrade).