to install FCP 7 on slightly newer versions like Mojave, but this often requires complex setups. Security Risks Final Cut Pro 7 — Thoughts on Post Production
Running FCP7 on modern Macs requires specific workarounds, as it is a 32-bit application: final cut pro 7 dmg link
: FCP 7 runs best on Mac OS X 10.6 (Snow Leopard) through 10.10 (Yosemite). to install FCP 7 on slightly newer versions