After download the package, please proceed with the following steps:
Step 1: Install new Wordpress package.
Log into your Wordpress and go to the Appearance -> Themes -> Click the button "Add New", then click "Upload Theme".
Open file that you download from cmsideas.net and install Theme in Travel folder.
Step 2: Install all plugins in Plugins folder.
Go to the Plugins -> Installed plugins -> Add New -> Upload Plugin -> Select file -> Install Now.
See some guide for install plugin for Travel Theme:
Step 3: Import demo database.
Go to the Tools > Import > Wordpress > Select file > Upload file and import
Go to the Appearance -> Widgets