Windows 10 offers certmgr.msc, a tool for managing the local certificate store. However, Windows 10 also offers a feature to disable the export of the private key (see below). With iSECPartners’ jailbreak (GitHub) you can export it anyway.
Posts related to jailbreak
jailbreak is a tool from iSEC Partners. It’s a tool for extracting private keys marked as unexportable anway.
Here is the GitHub project: https://github.com/iSECPartners/jailbreak