Installing by Style Number
The Locally Product Locator is generally installed by UPC however, Squarespace currently does not have a field to record a UPC on their PDPs. Therefore, installing by Style is recommended, assuming the style number is recorded on your product pages.
Alternatively, the PL (product locator) can be installed using the UPC parameter but this would require your team to manually code the UPC for each PDP. Please see the General Installation Guidelines for more information.
Placement of the Code
The placement of the PL widget on the PDP will most likely be 'below the fold' (see examples below) unless your web team is able to utilize the developer's platform to use custom code to place it differently on the template.