Let your native client (Steam/Xbox App) handle the 1.719.59 update. Do not risk sketchy repack sites. If you cannot access the internet, you cannot validate the license, and thus cannot play multiplayer.

specifically for PC users and optimized installation footprints to save up to 29GB of disk space. Forza Support 3. Troubleshooting Common Update Issues

For PC users who prefer a more manual approach or who are playing through a platform like Steam:

Based on official Turn 10 Studio release notes (condensed and paraphrased).

If an update is pending, the "Play" button will be replaced with an 2. Major Features in Recent 2025 Updates