You can install Mstoic like any other theme. Below is the step by step process.
- Login to your WordPress dashboard
- Navigate to Appearance > Themes
- Click the Add New button
- Now click on Upload Theme button
- Now click the Choose File button and select the mstoic.zip file from the zip file you downloaded from Theme Forest.
- Now click the Install Now button
Once done with the installation, you will see a notification to install the Mstoic core plugin. This plugin is required to make the Mstoic shortcodes work.