Your installable WordPress theme file is ba-hotel.zip.
You can install the theme in two different ways:
1. WordPress Administration Panels
Navigate to Appearance -> Themes page to access theme uploader screen, select “Add New” and upload ba-hotel.zip file.
2. FTP
Extract ba-hotel.zip file and upload the extracted ba-hotel folder to /wp-content/themes/ folder on your server. The WordPress codex contains instructions on how to do this here.
After uploading the theme, you have to activate it. Navigate to Appearance -> Themes page to activate the theme.
Updating
- Download the latest package and extract it
- Find “ba-hotel” folder inside the package
- Use FTP to overwrite current theme folder on your server with new one