Trusting Server Certificates on Windows
On Windows, you can import a trusted certificate into the system certificates store as follows:
1.Open the Windows certificate store for the computer account, see Accessing Windows Certificate Store.
2.Expand the Trusted Root Certification Authorities folder of the Certificates (Local Computer) tree, right-click Certificates, select All Tasks | Import and follow the Certificate Import Wizard.
For more information, see the article Import a Certificate on the Microsoft website.