电子书 DRM(eBook DRM)对合法用户设置了很多限制，并迫使用户在单个设备或应用程序上查看电子书。它还控制您的使用，不允许您与他人共享书籍。简而言之，DRM（数字版权管理(Digital Rights Management)）限制了您可以阅读电子书的设备数量。
亚马逊(Amazon)、苹果(Apple)等供应商拥有电子书DRM，允许您使用供应商特定的设备或应用程序阅读图书。我们大多数人都希望在多种设备上阅读电子书，在这种情况下，克服这种有限可用性的最可行方法是从电子书中删除DRM 。
Microsoft 提供了数字版权更新工具，它可以从(Digital Rights Update Tool)WMA音频文件中删除DRM保护。还有许多其他工具可以帮助您从已购买的电子书中删除DRM保护——其中之一就是Calibre。它是电子书图书馆管理的流行工具。除了(Apart)电子书管理之外，这些工具还提供了广泛的插件。其中，DeDRM插件是最受欢迎的插件，因为它有助于删除电子书DRM，以便您可以在自己喜欢的设备上阅读电子书。Calibre工具支持来自不同供应商的电子书，例如Amazon Kindle，PDF ( ACSM )、Kobo KEPUB、亚马逊 Kindle(Amazon Kindle)和Google图书。
使用 Calibre 从电子书中删除 DRM
有许多工具可以帮助您从已购买的电子书中删除DRM保护，其中之一就是Calibre。它是电子书图书馆管理的流行工具。除了(Apart)电子书管理之外，这些工具还提供了广泛的插件。其中，Calibre DeDRM 插件(Calibre DeDRM plugin)是最受欢迎的插件，因为它有助于删除电子书DRM，以便您可以在自己喜欢的设备上阅读电子书。Calibre工具支持来自不同供应商的电子书，例如Amazon Kindle、PDF ( ACSM )、Kobo KEPUB、Amazon Kindle和Google图书。
Calibre工具无法删除电子书DRM，但您需要添加一个DRM删除插件来去除电子书DRM。这是使用Calibre插件从电子书中剥离DRM的方法。(DRM)
- 安装 Calibre 和 DeDRM 插件
- 剥离电子书 DRM
在本文中，我们解释了如何使用Calibre DeDRM插件在Windows PC中删除电子书(Windows PC)DRM 。
1.安装Calibre和DeDRM插件
下载最新版本的Calibre。运行安装程序并选择您使用的电子书阅读器类型。(eBook Reader)选择适当的选项以完成安装。
在此处下载 DeDRM 插件。(here.) 将 DeDRM_plugin.zip(DeDRM_)添加到Calibre中。
启动 Calibre 并从菜单栏中导航到Preferences选项卡。( Preferences)
从下拉菜单中选择选项更改口径行为。(Change Calibre behavior)
转到新窗口中的高级部分，然后单击(Advanced)插件。 (Plugins. )
单击从文件中(from file)加载插件( Load plugin) 按钮并选择DeDRM_plugin zip 文件夹。弹出窗口出现安全风险警告。
忽略风险并单击是(Yes)按钮。
zip 文件将安装到Calibre中，并将显示在文件(File)类型插件下。
重新启动(Restart)口径。
2.剥离电子书DRM
如果您的桌面上有电子书，只需 将电子书拖放(Drag)到 Calibre 的主界面中即可。该工具将自动删除DRM。
但是，如果您已将书籍下载到Kindle电子墨水设备，则步骤会有所不同。
如果您使用的是Kindle电子墨水设备，请通过USB将(USB)Kindle连接到Calibre。它将显示所有书名。
转到首选项(Preferences)并单击高级。( Advanced.)
选择插件(Plugins)并单击文件类型插件( File type plugins)按钮。
双击DeDRM 插件(DeDRM plugin)，然后单击自定义插件( Customize plugin)按钮。
选择选项电子墨水Kindle电子书以在新的自定义 DeDRM(Customize DeDRM)窗口中进行配置。
在出现的新弹出窗口中，输入Kindle序列号。您可以通过输入序列位置和Kindle型号名称在Google中找到您的Kindle序列号。
知道序列号后，在空框中输入序列号，然后单击确定按钮。
关闭窗口，然后在Calibre Preferences 窗口(Calibre Preferences Window)中单击Apply。
DRM将被自动删除。
如果插件无法删除DRM，请从图书馆中恢复所有书籍，重新加载Calibre，然后再次将电子书添加到图书馆。另外，请(Make)确保您已安装最新版本的插件。
How to remove eBook DRM using Calibre
Τhe eBook DRM puts lots of restrictions on legitimate users and forces users to view the ebook on a single device or app. It also controls your usage and doesn’t allow you to share the books with others. In simple words, DRM (Digital Rights Management) limits the number of devices on which you can read ebooks.
Vendors like Amazon, Apple, and others have their ebook DRM that would allow you to read the book using the device or app specific to the vendors. Most of us would want to read ebooks on multiple devices, and during such cases, the most viable way to overcome this limited usability is by removing the DRM from ebooks.
Microsoft offers Digital Rights Update Tool, which removes DRM protection from WMA audio files. There are many other tools too that help you remove DRM protection from an ebook that you have purchased – and one among them is Calibre. It is a popular tool for ebook library management. Apart from just ebook management, the tools offer a wide range of plugins. Among them, the DeDRM plugin is the most popular one because it helps to remove the ebook DRM so that you can read your ebook on your favorite device. Calibre tool supports ebooks from different vendors like Amazon Kindle, PDF(ACSM), Kobo KEPUB, Amazon Kindle, and Google books.
Remove DRM from ebook using Calibre
There are many tools that help you remove DRM protection from an ebook that you have purchased and one among them is Calibre. It is a popular tool for ebook library management. Apart from just ebook management, the tools offer a wide range of plugins. Among them, the Calibre DeDRM plugin is the most popular one because it helps to remove the ebook DRM so that you can read your ebook on your favorite device. Calibre tool supports ebooks from different vendors like Amazon Kindle, PDF (ACSM), Kobo KEPUB, Amazon Kindle, and Google books.
Calibre tool cannot remove the ebook DRM, but you need to add a DRM removal plugin to strip the ebook DRM. Here is how you can strip DRM from ebook using Calibre plugin.
- Install Calibre and DeDRM plugin
- Strip the ebook DRM
In this article, we explain how to remove ebook DRM in Windows PC using Calibre DeDRM plugin.
1. Install Calibre and DeDRM plugin
Download the latest version of Calibre. Run the installer and select the type of eBook Reader you use. Choose the appropriate options to complete the installation.
Download the DeDRM plugin here. Add the DeDRM_ plugin.zip into Calibre.
Launch Calibre and navigate to Preferences tab from the menu bar.
Select the option Change Calibre behavior from the drop-down menu.
Go to Advanced section in a new window and click Plugins.
Click the Load plugin from file button and select the DeDRM_plugin zip folder. A pop-up window appears warning of security risk.
Ignore the risk and click Yes button.
The zip file will be installed into the Calibre and will appear under File type plugins.
Restart Calibre.
2. Strip the ebook DRM
If you have ebooks on your desktop, simply Drag and drop the ebooks into Calibre’s main interface. The tool will automatically remove DRM.
However, the steps aren’t the same if you have downloaded books to your Kindle e-ink devices.
If you’re using Kindle e-ink devices, connect Kindle to Calibre through USB. It will display all the book titles.
Go to Preferences and click Advanced.
Select Plugins and click the File type plugins button.
Double click on DeDRM plugin and click the Customize plugin button.
Select the option e-ink Kindle ebooks to configure in a new Customize DeDRM window.
In the new pop up window that appears, enter the Kindle serial number. You can find your Kindle serial number in Google by entering the serial location along with the Kindle model name.
Once you know the serial number, type it in the empty box and click Ok button.
Close the window, and in the Calibre Preferences Window click Apply.
The DRM will be removed automatically.
If the plugin fails to remove DRM, recover all the books from the library, reload the Calibre, and again add ebooks to the library. Also, Make sure you have installed the latest version of the plugin.
