1.0.3.0 is a common stable patch version for this game.
The "All DLCs" tag indicates it includes add-ons like the The Ripper body shell and other car ornaments that were originally pre-order bonuses or separate purchases. reputable community source
Downloading .ISO files from unverified third-party sites carries a high risk of bundled malware, such as miners or trojans. If you did not download this from a verified, reputable community source, the file may be unsafe. reputable community source
If you have already downloaded it, run it through an aggregator like VirusTotal before opening or mounting it. reputable community source