Rockstar lists PlayStation 5 and Xbox Series X|S as launch platforms. No official PC date is provided on its current GTA VI page.
Confirmed console platforms
The published launch lineup consists of PlayStation 5 and Xbox Series X|S. The practical buying decision begins with the console you already own, a compatible storefront account, and the game edition you want.
What about older consoles?
Avoid assuming PS4 or Xbox One support. They do not appear in Rockstar’s published launch platform lineup. Hardware compatibility should be checked against official storefront listing details.
And PC?
Do not treat rumors about PC timing as announced facts. Monitor Rockstar’s official site for any additional platform confirmation before making purchase or hardware plans.
PS5 and Xbox Series X|S are published launch platforms.
No PC launch date is confirmed by the publisher on the cited page.