If you have installed the features but still cannot view files:
If you are looking to "download" the essentials pack for Windows 10, you are likely looking for the . How to Download and Enable XPS Features on Windows 10 microsoft xps essentials pack windows 10 download
Many large enterprises, especially in finance and government, still rely on XPS for archival and document routing because XPS is based strictly on Windows print pipelines and cannot run embedded scripts (like JavaScript in PDFs), making it more secure. If you have installed the features but still