At first, download the theme package(All files & documentation) from the Downloads page. Then extract all files from the Milton 1.0.zip

Step 1 – Login to your WordPress Admin page and go to Appearance/Themes.

Step 2 – Click Add New and then Upload Theme.

Step 3 – Click Choose file and locate milton.zip from the extracted .zip.

Step 4 – Click Install Now

Note: You may face the following common issues while Installation
– The package could not be installed. The theme is missing the style.css stylesheet. here is the fix, https://help.market.envato.com/hc/en-us/articles/202821510
– Are you sure you want to do this? here is the tip, http://demo.agnihd.com/milton/documentation/php-server-configurations/

Short video tutorial to install theme & import demo contents.

Step 1 – Extract the milton.zip from the main package.

Step 2 – Login/Connect to your server via FTP Client

Step 3 – Go to wp-content/themes/ at your installed WordPress directory.

Step 4 – Upload the milton folder (Now you have successfully installed the theme).

Step 5 – Login to WordPress Admin Page and go to Appearance/Themes and activate the milton.

All modifications/customizations inside the files should be done via child theme and do not change/modify any files inside the parent theme(milton). You can install the child theme in the same way you have done for milton.zip. milton includes the child theme is named milton-child.zip