What Should I Do If I Cannot Download a Key Pair?
The private key file of a key pair can be downloaded only once.
If your private key file has been lost, create a key pair and download the private key file again.
Solution
Log in to the management console and choose Key Pair.
Figure 1 Key Pair
Click Create Key Pair.
Figure 2 Creating a key pair
Click OK to save the private key to your local directory.
Figure 3 Saving the private key