Follow these steps to install your digital certificate on Windows:
Click the Windows logo in the bottom-left corner and search for "Internet Options".
Open Internet Options and go to the "Content" tab.
Click the "Certificates" button in the middle of the tab.
In the Certificates window, click “Import”.
The Certificate Import Wizard will open. Click "Next" to continue.
When asked to select the file, click "Browse" and locate the .p12 file you downloaded earlier.
If you don’t see the file, make sure the file type filter is set to "All files (.)" instead of just “X.509 certificates (.cer, .crt)”.
Select the file and click "Next".
Enter the password you created when generating your digital certificate and click “Next”.
Keep the default settings and click "Next" until you reach the "Finish" button.
You will see a confirmation message indicating the import was successful.
Your digital certificate is now installed and ready to use.
Our digital certificate is now installed and ready to use. You can check, depending on your browser, if the certificate appears here.