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Bitdefender Total Security 試用版能做什麼
電腦突然變慢、開機跑出一堆看不懂的彈窗、某天發現重要檔案被加密打不開——這些狀況發生時,你第一個念頭通常是「我是不是該裝個防毒軟體」。但你不想馬上花錢,也不確定哪一套真的有用,於是開始找試用版,想先裝起來擋一陣子再說。問題是,試用版到底有沒有完整防護,還是只是閹割版,你心裡完全沒底。
一般人習慣的做法,是先去下載免費防毒軟體,但免費版往往閹割了防火牆、勒索軟體防護或 VPN 這些關鍵功能,裝了等於沒裝。另一種做法是直接買付費版,但萬一不合用,錢就白花了。這類工具的切入點,就是讓你先在期限內完整測試功能,實際跑過掃描、開過防火牆、用過 VPN,再決定要不要繼續付費。這樣你至少知道錢花在哪裡,而不是盲買。
01Bitdefender Total Security 試用版能防哪些威脅?
根據官方說明,它涵蓋病毒、間諜軟體、勒索軟體、密碼竊取、釣魚網站、挖礦攻擊,以及會讓裝置變慢或無法運作的惡意感染。它用機器學習技術即時偵測並封鎖威脅,也包含多層勒索軟體防護,能還原被加密的檔案。另外有網路威脅防禦、進階威脅防護和漏洞評估,算是把常見的攻擊路徑都包進去了。
02它會不會拖慢電腦速度?
官方宣稱對系統效能的影響很小,而且內建系統優化工具,可以清理不必要的檔案、調整效能。實際跑起來如何,會因電腦硬體而異。如果你用的是舊機器,建議先裝試用版實際跑一週,觀察開機速度和日常操作有沒有明顯變慢,再決定要不要留。
03它有防火牆和網路防護嗎?
有。它包含完整的防火牆控制、Wi-Fi 安全評估,能檢查你連線的網路是否有漏洞。另外還有網路威脅防禦、反釣魚和反詐騙功能,針對瀏覽網頁時可能遇到的惡意連結或詐騙頁面做即時攔截。這些功能在試用版就能用,不需要另外付費。
04它能保護手機或平板嗎?
可以。官方說明指出,一個訂閱可以保護最多 15 台裝置,涵蓋 Windows、macOS、Android 和 iOS。也就是說,你可以在電腦、手機、平板上都裝同一套,用同一個帳號管理。不過試用版的裝置數量限制,以及手機版的功能是否與電腦版完全相同,官方資料沒有細說,需要自己安裝確認。
05試用版和付費版差在哪?
官方資料沒有明確列出試用版的功能限制,只說這是 Trial 授權。一般來說,試用版通常有使用期限,過期後要付費才能繼續用。功能上是否完整,官方沒講,建議你在試用期內把掃描、防火牆、VPN、家長控制都實際開過一輪,確認沒有被閹割再考慮購買。
06我電腦裡有很多重要文件,怕被勒索軟體加密,它有用嗎?
官方特別強調多層勒索軟體防護,並具備還原被加密檔案的能力。這表示它不只是擋下勒索軟體,還能嘗試把已經被加密的檔案救回來。不過還原成功率會因攻擊型態而異,官方沒有給出保證數字。重要檔案還是建議另外做離線備份,不要只靠防毒軟體。
07我常網購,它能不能保護付款安全?
官方說明提到它有安全線上付款瀏覽器、反詐騙和反釣魚功能,專門保護你在網路交易時不被攔截或導向假網站。另外還有密碼管理器,可以安全儲存你的帳號密碼,避免被側錄。這些功能在試用版就能用,如果你常刷卡或轉帳,可以特別測試一下付款流程是否順暢。
08家裡有小孩,它的家長控制功能好用嗎?
官方說明指出,家長控制可以監控和管理兒童的線上活動,設定限制和瀏覽規則。介面是英文的,但操作邏輯不算複雜,可以建立小孩的個人檔案,再設定網站過濾和時間限制。不過官方沒有提供詳細的設定步驟,實際好不好用,建議先自己試著設定一輪,看看是否符合你的需求。
09我英文不好,介面是英文的,會不會很難操作?
這套軟體的介面語系只有英文,沒有繁體中文。如果你不熟悉英文,操作上會比較吃力,尤其是設定防火牆規則、家長控制或 VPN 這些進階功能時,可能會看不懂選項。官方說明提到介面有顏色指示和視覺提示,但核心選單還是英文。英文程度不夠的話,可以考慮介面有中文的防毒軟體。
10我電腦是舊機器,跑得動嗎?
官方宣稱對系統效能影響很小,但沒有提供最低硬體需求。它支援 Windows 7 到 Windows 11,所以系統版本不是問題。舊機器建議先裝試用版,實際跑一週觀察開機速度、檔案開啟和掃描時的效能。如果發現明顯變慢,可以改用輕量級的防毒軟體,例如 ESET Smart Security,它的系統佔用較低。
11我已經有別的防毒軟體了,還要換嗎?
如果你目前的防毒軟體用得好好的,沒有中毒或效能問題,不一定要換。這套軟體的使用者評分是 6.7/10,樣本數 175 人,不算特別高。功能相近的還有 Bitdefender Internet Security 和 ESET Smart Security,評分人數都在 86 到 87 人之間,可以參考。如果你對現有軟體不滿意,再考慮用試用版比較。
12試用期過了之後怎麼辦?
試用期結束後,要繼續使用就得付費訂閱。官方提供的方案是個人版,一個帳號可以保護 5 台裝置,價格是 59.99 美元。如果你不想付費,可以考慮其他免費防毒軟體,但功能就沒有這麼完整。另外要注意,這套軟體近一年只更新兩次,更新頻率不算高,如果你很在意即時更新,這點需要斟酌。
下載與官方連結
前往官方網站 下載 Bitdefender Total Security (32-bit)
bitdefender_tsecurity.exe · 連結指向軟體原廠
版本紀錄
- 2026-10-22 Bitdefender Total Security 27.0.64.366 21.5 MB
- 2026-10-07 Bitdefender Total Security 27.0.63.360 21.5 MB
- 2026-09-10 Bitdefender Total Security 27.0.62.355 21.5 MB
再看 5 筆
- 2026-08-23 Bitdefender Total Security 27.0.62.352 21.5 MB
- 2026-07-25 Bitdefender Total Security 27.0.61.344 21.3 MB
- 2019-10-17 Bitdefender Total Security 2020 Build 24.0.9.52 (32-bit) 11.2 MB
- 2019-07-31 Bitdefender Total Security 2020 Build 24.0.3.15 (32-bit) 11.2 MB
- 2019-06-26 Bitdefender Total Security 2019 Build 23.0.24.120 (32-bit) 10.8 MB
這一版改了什麼
What's new in this version:
Bitdefender Total Security 2018 Build 22.0.15.189 (32-bit)
- Change log not available for this version
Bitdefender Total Security 2018 Build 22.0.12.161 (32-bit)
This version fixes the following issues:
- Fixed an issue with Active Threat Defense not activating
- Fixed an issue where the product would show "Last Update Never"
- Fixed an issue where the offline weekly updates would not detect Bitdefender 2018
- Fixed an issue where Google would report SafePay is an outdated browser
- Fixed an issue where Custom Scans would not be saved after switching to Aggressive
- Fixed an issue where SafePay couldn't save bank statements(PDF) on hsbc.co.uk
The following improvements were included:
- Wallet's compatibility with several websites
- Several Improvements to the in-product Support Tool
- Several interface improvements
- Various Install Engine optimizations
- Various SafePay optimizations and security improvements
- Several Firewall improvements
- Several Advanced Threat Defense improvements
- Improved compatibility with upcoming Windows release
- Several OneClick Optimizer improvements
Bitdefender Total Security 2018 Build 22.0.10.141 (32-bit)
This version fixes the following issues:
- Fixed an issue where the Ransomware Protection(Safe Files) causes the TaskBar icons to hide
- Fixed an issue causing the Agent to initialize improperly causing the product to stay into a inactive state
- Fixed an issue causing the product to block internet access after a period of time
- Fixed an issue where the SafePay notification would appear several times for some banks
- Fixed an issue where the Vulnerability Scan would show a blank window for Critical Windows Updates.
- Fixed an issue where the Reset Settings for Bitdefender Shield would not prompt for confirmation
- Fixed an issue where as the Security Report would display extra days in a month
- Fixed an issue where as the text in the GUI would be displayed with a slight delay
- Fixed an issue where the SafePay Virtual Keyboard would enter the text into the address bar by default
- Fixed an issue where the Open With contextual menu would be disabled once the subscription expires
- Fixed an issue where the Widget would reset its position after a reboot
- Fixed a rare issue where the Name/eMail/Device would not be displayed in the Account Info page
- Fixed a rare issue where as SafePay could not perform a login into certain banking websites
- This version fixes the vulnerability FG-VD-17-019 reported by Fortinet’s FortiGuard Labs through responsible disclosure
The following improvements were included:
- Several interface improvements
- USB Immunizer functionality was augmented
- Improved the security of the Install Engine
- Various optimizations to the Install Engine
- Added link to the Bitdefender Uninstall Tool should the Install Engine fail to deploy drivers
- Various optimizations to the Scan Engine
- Various optimizations to the Update Engine
- Various optimizations to the SafePay browser
- Various optimizations to the Firewall - Adapter Engine
- Various optimizations to the Webcam Protection module
- Added Dynamic Adapter type (It will setup itself depending on your Windows Adapter setting : Home/Office type settings for the Private Network and Public for the Public Network)
- Added the ability to copy/paste information from Notifications
- Improvements leading to better compatibility with the next Windows Security Center update
Bitdefender Total Security 2018 Build 22.0.8.114 (32-bit)
- The new generation of the award-winning line introduces a multi-layer defense against ransomware, the malware outbreak that’s evading many detection filters and encrypting users' documents then demanding ransom to decrypt them. Advanced Threat Defense finds patterns of behavior to detect and block even the newest threats while Real Time Protection instantly stops all known threats. As an additional protection, the new Safe Files feature prevents unauthorized alterations to sensitive files.
- User privacy, a growing concern among users in an era of state-sponsored espionage, mass data theft and the proliferation of hackers, is enhanced in the latest Bitdefender product line, with innovations such as Webcam Protection that prevents webcam spying, fending off snoops, blackmailers and others.
- The new Firewall makes it easy for non tech savvy users to take full advantage of this essential safety feature. Account Privacy for iOS and Android checks if any of your e-mails have been leaked, and may be used in subsequent targeted attacks or for extortion.
Bitdefender Total Security 2017 Build 21.0.25.92 (32-bit)
- Change log not available for this version
Bitdefender Total Security 2017 Build 21.0.23.1101 (32-bit)
This version fixes the following issues:
- Fixed a crash caused by the Update module
- Fixed a rare crash caused by SafePay
- Fixed a issue with the Firefox extension signatures
- Fixed a issue causing the Bitdefender window to shift to the right
- Fixed a issue causing the Wallet to prompt for the account on the same browser session
- Fixed a issue where the Agent failed to stop
- Fixed a issue where the Wallet would display empty lists when scrolling down the menu
- Fixed a rare crash causing vsserv to crash
- Fixed a crash caused by SafePay
- Fixed a crash caused by the Agent
- Fixed a issue causing the Agent not to deploy properly
- Fixed a issue where the Custom Scan would not start at the proper time
- Fixed a issue where the email archives would be purged from the Quarantine
- Fixed a rare issue causing the Uninstaller to crash
- Fixed a issue where the Security Report would show the improper period
- Fixed a issue where the product would revert the default language to English after a repair
- Fixed a issue where SafePay would not keep the zoom settings from the previous session
- Fixed a issue causing SafePay to be unable to open PDF files
The following improvements were included:
- The product now complies with the Microsoft DSA requirements
- Several improvements to the install engine
- Improved repair process
- Several improvements to the On-Access engine
- Product interface fixes and improvements
- Improved SafePay's functionality
- Several improvements to the product's self-defense mechanism
- Improved the way the Support Tool gathers Bitdefender related information
- Improvements to the Firewall engine
- Improved Wallet's compatibility with several websites
- Added support for the polish language
- Some improvements to the event engine
- Improved the way the product handles remote tasks (example : system scan from Central)
- Improved the way the product integrates with the Windows start-up process
- Some improvements to the Update engine
Bitdefender Total Security 2017 Build 21.0.22.1050 (32-bit)
This version fixes the following issues:
- Fixed a issue where the setup window would not show-up properly on high DPI machines
- Fixed a issue where the Trial would not start on a new account
- Fixed a issue where two Uninstall Surveys would open upon removing the product
- Fixed a rare issue where the Switch Account button would not activate on a expired account
- Fixed a rare crash caused by the Widget
- Fixed a rare crash caused by the Agent
- Fixed a issue where Wallet would not function under SafePay
- Fixed a issue where Paranoid Mode would block a connection without notification
- Fixed a issue where events would not be generated under Home/Office
- Fixed a issue where Aero was causing buttons to disappear from the UI
- Fixed a crash caused by the Subscription engine
- Fixed a issue where the OneClick Optimizer would places.sqlite in Firefox
- Fixed a rare issue where the Setup window would relocate randomly
- Fixed a issue where kabelmail.de users would not receive emails with the Anti-Spam enabled
- Fixed a issue where the Paranoid option would be available after disabling AVC
- Fixed a issue where the Setup engine could not create install folders
- Fixed a rare crash caused by the Notification Engine
- Fixed a issue where the Update frequency slider would revert to the default setting
- Fixed a rare crash caused by the Proxy handler
- Fixed a rare issue where the task for the Agent couldn't be created
- Fixed a issue where Wallet wouldn't autofill on Amazon and eBay
- Fixed a rare crash caused by the Settings handler
- Fixed a issue where the Security Report would show 0 files in the Vault
- Fixed a issue where the Vulnerability Scan would show the incorrect size of Windows Updates
- Fixed a rare crash caused by Bitdefender's Photon
- Fixed a issue where SafePay would randomly freeze on Surface Pro 3 devices
- Fixed a rare issue where the Widget would still show the animation for the Vulnerability Scan even after it has been completed
- Fixed a issue where the main interface would open after a delay when accessed from the system tray icon
- Fixed a issue where you the option to shutdown the machine after the scan would not be available
The following improvements were included:
- Product interface fixes and improvements
- Several improvements to the Install Engine
- Various improvements to the registration logic
- Various improvements to the way the product reports errors
- Various improvements to the Firewall Module
- SafePay performance improvements
- Enhanced the way the product uninstalls itself from the system
- Improvements to the product's self-protect function
- Moved the Delete button from Wallet edit mode in view mode
- Wallet now displays the name of the wallet when asking for the password
- Improved Wallet's compatibility with several websites
- Added the option to enable Domain discovery (printer and shares) when the Adapter is set as Home/Office
- Improved the way Bitdefender scans emails through SSL/TLS/STARTTLS
Bitdefender Total Security 2017 Build 21.0.22.1011 (32-bit)
This version fixes the following issues:
- Fixed a issue where the "Prompt before download" window would not show
- Fixed a crash caused by Traffic Light
- Fixed a crash caused by the On-Access engine
- Fixed a error where Disk Cleanup would just stop
- Fixed a issue where the Optimizer would not start
- Fixed a rare crash caused by the Wallet
- Fixed a rare crash caused by some wireless adapters
- Fixed a rare crash caused by some Nvidia drivers
- Fixed a rare crash caused by Windows Crypto API
- Fixed a crash caused by Wi-Fi advisor when system locale is set to any Asian language
- Fixed a issue where the Home Wi-Fi would show as untrusted
- Fixed a display issue where the pie chart for the Startup Optimizer would be completely grey
- Fixed a issue where all blocked applications would gain internet access after a Agent crash
- Fixed a memory leak in Snap Photo
- Fixed a issue where a scheduled scan would not run at the proper time
- Fixed a issue where the Events(Notifications) would not ask for the Settings password and allow access
- Fixed a issue where the number of days to delete content in the Quarantine woudl revert to the default number
- Fixed a issue where the Eicar test files were not counted in the Live Stats
- Fixed a issue where the title of the product is Total Security instead of the current installed product (AntiVirus / Internet Security)
- Fixed a issue where the Ransomware Protection Event is deleted under certain situations
- Fixed a issue where the "Remind me later" notification would pop-up continuously
The following improvements were included:
- Product interface fixes and improvements
- Various improvements for the install engine
- Improved the way competitive products are being removed
- Various security and functionality improvements for SafePay
- Various improvements and compatibility fixes for the Wallet
- Desktop/Music/Videos are now added as default protected zones under the Ransomware Protection
- Improved the way notifications are handled
- Improved the way trial subscriptions are being handled
- Added the possibility to remove Wi-Fi profiles
- Improved the functionality of the Wi-fi Advisor
Bitdefender Total Security 2017 Build 21.0.21.967 (32-bit)
- Change log not available for this version