- Press Start and then Run
- Type "mmc" and press Enter
- Click "Add/Remove Snap-in" from the File menu
- Click "Add", "Certificates" and "Add"
- Select "Computer Account", click "Next", "Local Computer" and "Finish"
- Close the "Add Standalone Snap-In" and "Add/Remove Snap-in" windows
- Press + to expand the tree with certificates, look for "Personal directory/folder" and expand the certificates
- Right-click on the certificate you want to back up, then select "ALL TASKS> Export" and follow the steps in the wizard
- Select "Yes, export the private key" and "include all certificates in certificate path if possible", without the option delete Private Key
- Save the file
