Once the installation setup window opens, select Accept and continue.
Note: The product automatically detects your default system language and sets the product to the same language. If you want to change the language to your preferred language, select the language via the top-left drop-down menu.
When prompted, type in your subscription key (xxxx-xxxx-xxxx-xxxx-xxxx) and select Next to finish the installation.
Make sure that you use the correct subscription key. If you have a multi-user subscription, you can enter the same subscription key on multiple Windows PC. For single subscription key, each Windows PC should use a separate subscription key.
If a message appears on screen stating all licenses have already been used, click on the Re-use license to move an existing license to this computer.
Allow the product to complete the installation. The installation takes a minute or so (depending on your Internet connection speed), and once installed, your computer is protected.