I install PrestaShop for Leo Sport Shoes theme in old version.
http://www.leotheme.com/download/viewdownload/126-leo-sport-shoes/1162-leo-sportshoes-template-v1560.html
I need to change new version in Leo Sport Shoes .
http://www.leotheme.com/download/viewdownload/126-leo-sport-shoes/1326-leo-sportshoe-full-psv1562.html
If i upgrade the theme total website is collapsed default theme and old theme.
How to upgrade leo sports theme
Please kindly give some ideas or any reference link.
Advance Thanks Friends