From the Tools menu, click Internet Options.
Click the Content tab and then click Certificates.
The Certificates dialog box appears. See Figure 3–10.
Click Import.
The Certificate Import wizard appears. See Figure 3–11.
Click Next.
The File to Import window appears. See Figure 3–12.
Browse to the certificate file you want to open.
See Figure 3–13.
Click Next.
The Certificate Store window appears. See Figure 3–14.
Browse to the location where you want to store the certificate and click Next.
Details of the completed certificate import appear. See Figure 3–15.
Click Finish to exit the wizard.