Error message after installation on website

Strict Standards: Declaration of JParameter::loadSetupFile() should be compatible with that of JRegistry::loadSetupFile() in C:\xampp\htdocs\worksavvy\libraries\joomla\html\parameter.php on line 512

Strict Standards: Only variables should be assigned by reference in C:\xampp\htdocs\worksavvy\modules\mod_ot_scroller\mod_ot_scroller.php on line 14

Strict Standards: Non-static method modOTScrollerHelper::getFolder() should not be called statically in C:\xampp\htdocs\worksavvy\modules\mod_ot_scroller\mod_ot_scroller.php on line 19

Strict Standards: Non-static method modOTScrollerHelper::getImages() should not be called statically in C:\xampp\htdocs\worksavvy\modules\mod_ot_scroller\mod_ot_scroller.php on line 20

Strict Standards: Creating default object from empty value in C:\xampp\htdocs\worksavvy\modules\mod_ot_scroller\helper.php on line 40

Strict Standards: Creating default object from empty value in C:\xampp\htdocs\worksavvy\modules\mod_ot_scroller\helper.php on line 40

Strict Standards: Creating default object from empty value in C:\xampp\htdocs\worksavvy\modules\mod_ot_scroller\helper.php on line 40

How do I fix this?

Hello,

Note your PHP configuration is set to display errors whereas these should be off for an ideal installation/server particularly one that is live.
Locate the php.ini file and the line
and change this to At the same time you should also do the same for and change to
and edit this file: libraries\joomla\html\parameter.php on line 512

must be

Regards