使用USB^(USB)保护您的计算机一直是保护您的Windows计算机的附加功能。如果您暂时不使用PC，则建议您使用USB锁定您的Windows PC，因为它是即时且安全的。^(Windows)您只需要取出USB驱动器和繁荣，您的 PC 就会被锁定 - 当您再次将其插回时，它就会被解锁。与其他方法相比，这是一种锁定和解锁Windows的快速方法。^(Windows)

我们已经了解了如何使用Windows 10/8/7中的内置SysKey 实用程序^{(SysKey Utility)}，使用USB记忆棒锁定计算机。今天我们将列出一些免费软件，它们可让您使用USB Pen Drive对^{(USB Pen Drive)}Windows PC 进行密码保护、锁定、解锁。让我们来看看它们。

使用USB 驱动器^{(USB Drive)}锁定^(Lock)和解锁 Windows PC^{(Unlock Windows PC)}的软件

我们将看看以下免费软件，它们可帮助您制作 USB 安全密钥锁并解锁您的Windows 10 PC：

1. 捕食者
2. WinLockr
3. USB 系统锁
4. USB猛禽。

让我们更详细地了解它们。

1] 捕食者

Predator是一款免费软件，可将USB驱动器变成可用于锁定或解锁计算机的钥匙。即使您已登录计算机并拔出USB驱动器，计算机也会自动停止响应。移除USB驱动器后，键盘和鼠标将停止工作，屏幕何时变暗。当您再次将USB插回原位时，计算机将正常恢复。

2]WinLockr

WinLockr是另一个免费软件，可让您使用USB闪存驱动器锁定或解锁Windows计算机。^(Windows)它支持自动键盘锁定^{(Keyboard Locking)}。除此之外，它还带有一个不错的关机预防^{(Shutdown Prevention)}功能，可以防止在它处于活动状态时关机或重新启动。全屏模式隐藏了屏幕上的所有内容，因此没有人可以查看您的活动。

3] USB系统锁

USL是一款开源USB锁定免费软件，可让您使用USB闪存驱动器锁定和解锁设备。该软件几乎可以在所有USB设备上运行，包括MP3播放器、读卡器^{(Card Readers)}等。该软件有一个限制，它只能在正常启动的情况下保护您的计算机。它无法在安全启动^(Boot)下运行。尽管有其局限性，但它总体上是一款不错的软件。单击此处^(here)下载 USB 系统锁。

这些应用程序非常擅长它们的任务，可以帮助您为Windows计算机维护额外的安全层。如果您经常离开办公桌，那么您必须拥有这些应用程序之一，以便在离开办公桌时，您可以通过拔出USB立即锁定您的计算机，并通过插入^(USB)USB驱动器再次立即解锁您的计算机。

4] USB猛禽

USB Raptor是一款出色的工具，可让您执行此操作并为您的计算机添加USB保护。该工具灵活且完全开源，因此您可以潜入其中以自己的方式对其进行自定义。您可以轻松设置USB锁定机制，因为该程序提供了最好的安全性。

PS：您还可以使用YubiKey，这是一个与Windows Hello和其他几个软件其他服务兼容的USB安全密钥。它在亚马逊^(Amazon)上可用。FIDO U2F 安全密钥^{(FIDO U2F Security Key)}是另一种带有蓝牙 ENBL^{(Bluetooth ENBL)}、双重身份验证的^{(Two-Factor Authentication)}设备，它与Windows/Linux/macOS、Gmail、Facebook、Dropbox、SaleForce、GitHub等兼容。它也可以在亚马逊^(Amazon)上买到。

相关阅读^{(Related read)}： USB 安全密钥在 Windows 10 上不起作用。

Free software to Lock and Unlock Windows PC using USB Pen Drive

Protecting your comрuter with a USB has always been an additional feature for securing your Windоws сomputer. If you leave your РC alone for short intervals, then using a USB for locking your Windows PC is recommended for you, as it is instant and safe. You јυst need to take out yоur USB drive and bоom, your PC is locked – and the instant you plug it back again, it will be unlоcked. It is a fast way of lоcking and unlocking Windows as compared to other methods.

We have already seen how we can use the built-in SysKey Utility in Windows 10/8/7, to lock the computer using a USB stick. Today we will list a few free software that will allow you to password-protect, lock, unlock Windows PC using USB Pen Drive. Let us have a look at them.

Software to Lock & Unlock Windows PC using USB Drive

We will take a look at the following free software that help you make a USB Security Key lock and unlock your Windows 10 PC:

1. Predator
2. WinLockr
3. USB System Lock
4. USB Raptor.

Let us see them in a bit more detail.

1] Predator

Predator is a free software that turns a USB drive into a key that can be used to lock or unlock your computer. Even if you are logged into your computer, and you plug out the USB drive, the computer will automatically stop responding. As soon as you remove the USB drive, the keyboard and mouse will stop working and when and the screen will turn dark. And when you again plug the USB back in its place, the computer will revert normally.

2] WinLockr

WinLockr is another freeware that lets you lock or unlock your Windows computer using a USB flash drive. It supports automatic Keyboard Locking. In addition to this, it comes with a nice Shutdown Prevention feature, which prevents shutdowns or restarts while it is active. The full-screen mode hides away everything from the screen so that no one can view your activity.

3] USB System Lock

USL is an open-source USB locking freeware that lets you lock and unlock your device using a USB flash drive. The software can run on almost all USB devices, including MP3 players, Card Readers, etc. There is a limitation of this software, and that it can protect your computer only under the normal boot. It fails to run under Safe Boot. Despite its limitations, it is a good software overall. Click here to download USB System Lock.

These apps are very good at their task and can help you out in maintaining an additional layer of security for your Windows computer. If you frequently leave your desk, then you must have one of these apps, so that while leaving your desk you can instantly lock your computer by plugging out the USB and again instantly unlock your computer by plugging in the USB drive.

4] USB Raptor

USB Raptor is a great tool that lets you do this and adds USB protection to your computer. The tool is flexible and completely open sourced so you can sneak into it to customize it your way. You can easily set up a USB lock mechanism as the program provides the best security possible.

PS: You can also use YubiKey, a USB security key that is compatible with Windows Hello and several other software other services. It is available on Amazon. FIDO U2F Security Key is another suck device that ships with Bluetooth ENBL, Two-Factor Authentication and is compatible with Windows/Linux/macOS, Gmail, Facebook, Dropbox, SaleForce, GitHub, etc. It too is available on Amazon.

Related read: USB Security key is not working on Windows 10.

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