Please read “Installing Arnold Theme via WordPress” first.
Use FTP client
Please download to install an FTP client such as FileZilla.
Upload the files
Please upload the folder “arnold2” to your themes directory.
Active Arnold theme
After uploading the files, login to your WordPress admin.Please go to “Appearance > Themes”. Click “Activate” for the theme “Arnold”.
Return to the original article to read more about other steps(install plugin, import demo)