Hi,
After activating the Wide Range PRO theme:
1. Go to Settings -> Reading -> Front page displays
2. Click on radio button of Your latest posts
3. Go to Appearance -> Theme Options and click on Restore Defaults in bottom side
Please check the documentation to setup and customize the theme
If you are getting any problem in theme setup, kindly send us your website URL and WordPress admin login details at [email protected]
Regards
Grace Themes