1. open https://9977ai.vip/ in browser, enter SDK.

2. click the purple button

The following are divided into two situations

3.1 If you have already entered the official chatgpt website in the currently open browser and logged in to your account, clcik the green button.

3.1.1 copy all data and come back to the activate website and paste it in the input and click the green button

3.1.2 check your recharge email, click the green button if it's correct, and wait for 5seconds, untils it shows success.

3.1.3 return to your chatgpt page, reload the page, log out and log in if you're still free plan after reload.

3.2 If you haven't logged in to your chatgpt account on the official website yet, click the blue button to log in to the official website first，Then proceed with 3.1