Open ChatGPT. If you already have an account, great. If not, create a new one. Make sure you use the account for at least 2–3 days before trying to activate Go, so that you can enable GPT Go successfully.
Now:
Open ChatGPT.
At the top center, you should see an option like “Upgrade to Go.”
Click it, and you’ll be taken to the Google Play payment screen.
Use the card details (the free card I provided below).
341250067252006
Expiry: 12/29
Verification: 2221
Country: US
Important notes:
Choose Go, not Pro.
Do not use a VPN.
Note: You can enter any name, and you can look up things like postal codes on Google. The card is a free card with no money in it.