Step 1: Go to the CompTIA website
Visit the CompTIA website using this link https://login.comptia.org/#redeemAccessKeys
Step 2: Log in to your account
Enter your login credentials to access your account. If you do not have an account, you can create one by clicking on the "Sign in" button.
Step 4: Enter your redemption code
Enter the redemption code that you received when you purchased the eBook. Make sure to enter the code exactly as it appears, including any dashes or special characters.