Import the CA certificates
Perform the following steps to import the CA certificates:Right-click the Trusted Root Certificate Authorities certificate store, and select All Tasks > Import.
Select [ Browse ] and find and select all the CA certificates (one or more) that signed the code-signing certificate you need for SignTool.
Select the option that puts all certificates in the Trusted Root Certificate Authorities store and select [ Next ].
Import the code-signing certificate
Perform the following steps to import the code-signing certificate:Select [ Browse ] and find and select the code-signing certificate that you need for SignTool. Select [ Next ].

