Here is a nice to know if you work with (or need) PDF functionality...
See the full article on the Windows Club here, with instructions to activate or deactivate it if needed...
The Windows Club wrote:
Print to PDF in Windows 10 without using any software
Windows 10 allows you to Print to PDF natively, using Microsoft Print to PDF, which is built into Windows 10. You now no longer need to use any third-party free software to print files to PDF. Microsoft Print to PDF is a feature, built into Windows 10, that lets you create a PDF file from several file formats using a native printer. If you right-click on a file and select Print, you will see Microsoft Print to PDF as one of the print options available.