Change from Playstation 4 to Playstation 5:
1. Connect your Playstation Plus account and upload your files or
2. Transfer your saved data via LAN cable or WiFi connection or
3. Use a compatible storage device to copy your saved data and transfer it to the same PSN account on the Playstation 5.
Switching from Xbox One to Xbox Series S / X:
Make sure that you are connected to the internet and that your saved data is automatically uploaded to the cloud.
Thanks to Xbox Smart Delivery, you can switch back to your Xbox One whenever you want with your saved game (maybe if you have more than one console) and continue your adventure there. As long as you are connected to the internet, your data will automatically be saved in the cloud.
Cyberpunk 2077 will be released on December 10th on PC, Playstation 4, Xbox One and Stadia.