Even if you found a "clean" Black Edition ISO, you are still installing , which reached End of Life on January 14, 2020 . This means:
The most immediate difference is aesthetic. The standard Windows taskbar, start orb, and window borders are replaced with black and dark gray themes. Wallpapers, cursors, and system icons are often customized to match a "dark mode" aesthetic—something that wasn't natively available in Windows 7 without third-party tools. windows 7 black edition 64 bit iso exclusive
– Removed components (like Defender, parts of the firewall, or update services) can cause crashes or compatibility issues with modern drivers and software. Even if you found a "clean" Black Edition