Here is the download:
- Please open the following official manufacturer page https://help.avast.com/de/install/ . You can change the language at the top right.
- Select the product "Premium Security" and your platform here.
- After you have downloaded and successfully installed the software, please click on "Menu" at the top right.
- Select "Enter activation code" and re-enter your product key there.
- In the next step, enter your personal information and you’re done!
If you have problems downloading, please open the link mentioned above in another browser.