Bitdefender Total Security, Internet Security and Antivirus Plus 25 (2021) is Award-winning Windows PC protection. Bitdefender technology best in the performance to defend your Windows PC with a simple one click. It has some great feature like Bitdefender Safebox, which secures your stored photo and videos online & Device Anti-Theft help in some cases as you lost or someone theft your Laptop or PC.
But Bitdefender downloading and installation little bit difficult for beginners, But don’t worry here I’ll tell you how to download and install Bitdefender full version offline installer without the internet.
Download Bitdefender 2021 official offline full version installer for 7, 8, 8.1, 10
Direct download link for Bitdefender Total Security 2021, Bitdefender Internet Security 2021 and Bitdefender Antivirus Plus 2021:
Bitdefender 25 x32 bit:
Bitdefender 25 x64 bit:
Direct download link for Bitdefender Total Security 2020, Bitdefender Internet Security 2020 and Bitdefender Antivirus Plus 2020:
Bitdefender 23 x32 bit:
Bitdefender 23 x64 bit:
- Total Security + Internet Security + Antivirus Plus” are integrated into one package and after installing the product Bitdefender version will be changed according to the license key.
How to install Bitdefender Total Security, Internet Security, and Antivirus Plus 2021 offline installer
If you are running any previous Bitdefender version then please uninstall it first. If you have any problem with uninstallation then use this uninstall tool:
After downloading offline installer setup file, You would want to install Bitdefender but when you run the offline setup file you will get an error:
“You must first install Bitdefender Agent to be able to install Bitdefender 2021”
For this problem you will need to download Bitdefender Agent and then follow the process below:
- After download open download folder, Right click on the “bitdefender_tsecurity.exe” file and choose option Run as administrator. It will automatically install Bitdefender Agent.
- After the installation you will see a download progress screen, then simply close the download progress, Or if your PC doesn’t have an internet connection then you will get an error, so just close it, because you have already downloaded Bitdefender full version offline setup.
- Now run your Bitdefender offline installer setup file which you have already downloaded into your system. And you will get User Account Control dialog box so simply click on Yes to run the installation.
- You will see Bitdefender INSTALLATION screen, click on Install button.
Now Bitdefender will be automatically installed. But registration and activation process need Internet connection and you can’t activate Bitdefender without the Internet. So if your PC doesn’t have internet then you can connect using your Cellphone or your friend’s phone.
To activation, Bitdefender 2021 online and get 90 days free trial license read this post: How to register & get Bitdefender Total Security for 90 days free trial.
Please Report if download not working.