How to get Enhanced Product Search (DA1300)

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Hello folks I see a lot of folks talking about Enhanced Product Search (DA1300) as a means of using wildcard searches on product invoices etc to more easily find the products we're looking for. the question is, how do I get Enhanced Product Search (DA1300) I assumed it would be something I could download or was otherwise inbuilt, but I cannot find a straightforward answer as to how you go about using it.

If anyone has any ideas please do let me know.