Hello,

The issue of “link you followed has expired” occurs, mostly due to less file upload size and php memory.

Please read the following article for help:
https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-link-you-followed-has-expired-error-in-wordpress/

Also, please read our detailed documentation to import demo:
https://xtemos.com/docs-topic/requirements-wordpress-set-up/
https://xtemos.com/docs-topic/installation-process/

If you are still unable to install the Theme then please provide us your Site WP-ADMIN and cPanel Login details in the Private Content field so that we can install the Theme for you.

Best Regards