How to log in to KakaoTalk PC version
If you have installed the PC version of KakaoTalk, you can log in to KakaoTalk using your Kakao account.
Step 1. Enter your Kakao account ID and password. You can check your Kakao login account and password in KakaoTalk Settings – Kakao Account.
Step 2. Before logging in, you must authenticate with the mobile KakaoTalk you are using. If it is your own PC, you can use immediate authentication, and if you are in a public place, you can log in with one-time authentication.
If you have successfully completed authentication, you can immediately log in to the PC version of KakaoTalk.