Step 1: Create or log in to your Keplr wallet
Step 2: Click the icon at the top right corner. Then, click “+ Add Account”
Step 3: Select “import existing account”
Step 4: Input the Mnemonic of your Terra station wallet and name your account, then click "Next"
Step 5: Go back to your Keplr wallet and click the icon at the top right corner again. You will see your imported Terra station wallet here.
Step 6: Select your imported Terra station account. Then, click the arrow on the top, and select "Terra".
You can now use your Terra station wallet on Keplr!