If Bitdefender is already installed and you only want to extend the runtime, please refer to the corresponding notes in the customer area.
Validity of the Instructions
These instructions apply to the following versions:
✔Bitdefender Antivirus Plus
✔Bitdefender Internet Security
✔Bitdefender Total Security
✔Bitdefender Family Pack
Step 1
Download the appropriate installation file from our download page.
Step 2
Open the download folder and start the installation file.
Step 3
Confirm the security prompt with “Yes” to allow changes to the system.
Step 4
Click on “Install Now”.
Step 5
Wait until the installation is fully completed.
Step 6
After completion, click on “Skip”.
Step 7
As requested, either create an Account or log in with an existing Account .
Step 8
Under I have an activation code, enter the product key and then click on Continue. To avoid typos, we recommend that you copy the product key from the email and then paste it into the field.
Step 9
You have now successfully installed and activated the Bitdefender program. Now click on Finish to complete the activation.