Being a professional developer for the last 8 years, I am quite proficient in handling varied programming tasks, including web scraping which happens to be a core requirement for your project. The ability to navigate the web effortlessly, traverse and save files is a key component of any web scraping job. My experience with languages like Python, Java, and C# will undoubtedly serve well in delivering an efficient Windows 10 desktop App for your need.
I understand the urgency of your request and would be happy to provide you with a tailored solution that not only meets your immediate needs but also ensures smooth future operations. My broad familiarity with different technologies allows me to identify the most optimal approach to different tasks; thus, a problem-solving approach unique to this project can be expected.
As someone who has worked in domains like insurance, event management, and finance - all of which require meticulous data management, I understand the importance of delivering quality work on time. Being deadline-driven, detail-oriented with a propensity for customer satisfaction encompasses my work ethics. Hence, I confidently assert that choosing me for this job will ensure a robust app that copies PDFs effectively as per your given website links and directories on-time.