This is the standard macOS disk image format. If you see a .exe, it is a Windows virus masquerading as the Mac version. The .dmg confirms this is intended for Intel-based Macs (though it runs on Apple Silicon via Rosetta 2).
If macOS says "Illustrator is damaged and can’t be opened," do not delete the file. Run this Terminal command: adobe illustrator 2021 v251 tntdmg work
sudo xattr -cr /Applications/Adobe\ Illustrator.app
This removes the quarantine flag.
The short answer is Yes, with significant caveats. This is the standard macOS disk image format
Disclaimer: This information is for educational digital forensics and historical software preservation only. Using cracked software violates Adobe’s EULA. We recommend purchasing a legitimate subscription. If macOS says "Illustrator is damaged and can’t
Assuming you have downloaded the correct Adobe_Illustrator_2021_v25.1_TNT.dmg (File size approx. 1.9GB – beware of 200MB fakes containing malware), follow these steps: