Upload the theme to the /themes/ directory on your server.
Open up your websites PHPMyAdmin.
Navigate to the "site_config" table.
In the "config_key" column look for: "site_theme".
Click on "Edit" to edit that row.
In the availableValues column you wiill see: ["blue_v2"]
This is the section you need to change.
Edit that so it looks something like this: ["blue_v2","Your_Theme"]
Save and go to your Yetishare Admin Panel > Site configuration > Theme> Change it to your newly uploaded theme.
