How To Download & Install BitDefender Free Antivirus in Windows

Download older versions of BitDefender Free Edition for Windows. All of the older versions of BitDefender Free Edition have no viruses and are totally free on Uptodown.

Bitdefender 在防毒軟體這一塊已經經營很久了，不過近年來越來越多網友轉用免費防毒軟體之後，似乎也越來越多廠商推出功能較精簡的免費版防毒軟體，而 Bitdefender Antivirus Free Edition 也是一樣。

近期 Bitdefender 時常有限時免費下載活動，提供 90 天、180 天和 360 天不等的註冊碼，雖然它有推出 Bitdefender Antivirus Free Edition 免費版，但如有機會其實也可以趁著活動來免費升級到其他付費版本，以享受更多、更完整的功能。

By learning and monitoring the unique pattern of daily activity on your PC, Bitdefender Antivirus Free is able to instantly detect and isolate suspicious changes in real-time, no matter the source.

Bitdefender 有推出 Bitdefender Antivirus Free Edition 免費版，如今有機會由免費升級到付費版本可以享受更多、更完整的功能。 這次限免活動...

筆者在去年曾提過 Bitdefender 回歸免費防毒市場這件事，不過當時尚未內建繁體中文語系，也許是為了讓代理商更好銷售其付費版本，最近終於內建了。

Bitdefender Antivirus Free is a free antivirus software especially designed to protect your Windows PC. Quick to install and light on computer resources, it is good for gaming, image and video editing, and resource-intensive applications.