This video shows how to initialise a hard disk / solid state drive in Windows 10 as the "New Simple Volume" option is grayed out and cannot be selected. A solution to this problem is presented in this video.
Helpful links:
https://www.cdw.com/content/cdw/en/ar...
https://www.partitionwizard.com/parti...
https://www.partitionwizard.com/parti...
https://www.makeuseof.com/why-wont-my...