After downloading theme packages, exact theme package. The file you use to upload is a zip file named luxhotel. Following these steps below to upload theme via WordPress:
Step 1. Dashboard >> Appearance >> Themes >> Add New.
Step 2. Click Upload Theme button.
Step 3. Browser luxhotel.zip file in your computer and click Install Now button.
Step 4. Active Lux Hotel.
Step 5. Enable Thim Core to activate the core of Lux Hotel and start importing demo data process.