Following these steps below to upload theme via FTP:

Step 1. Login your FTP account via an FTP software to access your host web server.

Step 2. Unzip royal-hotel.zip file.

Step 3. Upload the exacted theme folder sailing to wp-content/ themes folder.

Step 4. Active the theme in Dashboard >> Appearance >> Themes.

Step 5. Enable Thim Core to activate the core of Sailing and start importing demo data process.