HP ProBook 450 G9 Laptop - Intel Core i5-1235U, 8GB DDR4, 512GB SSD, NVIDIA MX570 2GB, 15.6-Inch HD, Dos

What does Local Agent Warranty mean? 

This means that the product was imported from outside Egypt through the local agent.

When does the warranty start and how is it activated? 

The warranty starts from the date of purchase of the product, and is automatically activated by us from the date of purchase.