The Kendo UI Bootstrap theme is available through the @progress/kendo-theme-bootstrap NPM module.
Download and install the package of the Bootstrap theme.
npm install --save @progress/kendo-theme-bootstrap
Apply the Bootstrap theme options according to the instructions in the article on styling.
You can apply the Bootstrap theme to all Kendo UI for React examples, which demonstrate the behavior of a component, by selecting the theme from the theme-chooser at the top-right corner of the page.