You can update your theme by performing the following steps:
- Download the latest Avian file from ThemeForest.
- Extract it and locate
avian.zipand locate the avian folder.
- Replace content of the avian folder to the folder
/wp-content/themes/avianof your website.
- Go to the Dashboard › Appearance › Customize › Update Settings › Theme Update
- Enter your Envato username exactly, it’s case sensitive. For the API key visit the “settings” page of your Themeforest account, see the left menu for the “API Keys” option, enter a name and create a new key
- Now updates will show in Dashboard › Updates