To log in to AVG Antivirus, open the application and click on the "Menu" in the top right corner. Select "My AVG" and then "Log in." Enter your AVG account email and password, and click "Log in." If you don't have an account, you can create one by following the prompts. https://medium.com/@avgantivirus1213/how-to-login-avg-antivirus-a95027480484