After installing and activating wplms theme :
To import demo 1 home page please refer this tip : https://wplms.io/support/knowledge-base/page-builder-export-codes/
To install demo 1 style please follow these steps :
1. Download the Demo 1 pluign for here : Demo 1 Download Link
2. Now find the file ” customiser.txt ” in your wplms-demo1 -> data folder .
3. Copy whole code from this file and then paste this code in your wp-admin -> wplms -> Customiser -> import code .
4. Click on import button->yes and save the changes .
refer : http://prntscr.com/bfpydg
Set the imported home page of demo1 from wp-admin -> appearance -> customize -> Static front page.