如果您有一张带有Windows 8.1的(Windows 8.1)DVD，如果它满足必要的要求，您可以使用它来升级您的Windows 7 PC。(Windows 7)在你继续这个过程之前，你应该考虑很多准备工作。(preparation work)这就是为什么我建议您阅读本指南并确保您不会忘记任何内容，以便整个过程顺利进行。
升级开始前的操作(Begins)
在开始升级之前，有很多事情要记住：
- 您可以将所有Windows 7零售版升级到 Windows 8.1 Pro，但不能将它们升级到 Windows 8.1 或Windows RT 8.1。
- 您不能从 32 位版本的Windows 7升级到 64 位版本的Windows 8.1（反之亦然(vice versa)）。如果您购买了其他版本，则必须执行全新安装并手动移动文件、设置和应用程序。
- 安装Windows 7(Windows 7)的分区上必须至少有 5.9 GB 的可用空间，才能执行升级。
- Windows 8.1 的硬件要求与Windows 7不同。在(Prior)开始升级过程之前，请仔细检查您的 PC 是否满足这些要求：Windows 8.1 系统要求(Windows 8.1 system requirements)。
- 您应该在开始升级到Windows 8.1之前创建一个Microsoft 帐户(Microsoft account)，以便您可以使用它来登录到Windows 8.1。如果您想了解有关Microsoft 帐户(Microsoft account)的更多信息，请阅读本教程：Windows 8 简介：您应该使用本地(Local)帐户还是Microsoft 帐户(Microsoft Account)？
- 您必须拥有可用的有效Windows 8.1 产品密钥(product key)。
- 在升级过程中，您将丢失所有程序。列出您定期使用的程序，以便您知道升级后需要重新安装哪些程序。
- 您可以使用Windows Easy Transfer在产品安装之间安全地备份和传输您的个人数据。如果您不喜欢使用此工具，可以使用任何其他产品。无论您做什么，请确保您有一个可用于重要数据的备份。
如何将Windows 7升级到Windows 8.1 Pro
在Windows 7中，插入Windows 8.1安装DVD。打开Windows 资源管理器(Windows Explorer)并运行光盘上的setup.exe文件。显示UAC提示 - 允许安装程序以管理员权限运行。
设置需要一段时间才能开始。然后，系统会询问您是否要在升级期间获取最新更新。选择您喜欢的选项，然后单击Next。
然后，系统会要求您提供有效的Windows 8.1 产品密钥(product key)。键入它并单击Next。
您被要求接受许可条款。阅读它们，选择“我接受许可条款”("I accept the license terms")框，然后单击接受(Accept)。
你被问到要保留什么。不幸的是，您只能选择保留您的个人文件，也可以选择不保留任何内容。选择您喜欢的，然后单击Next。
将显示升级过程的摘要。如果您准备好继续，请单击安装(Install)。
注意：(NOTE:)如果不满足升级过程的任何先决条件，您会看到需要更改的内容的摘要。在解决这些问题之前，您将无法继续升级。解决这些问题后，请从头开始重新启动升级过程。
Windows 8.1安装开始并显示其进度。停止使用您的计算机并等待(computer and wait)它完成。该过程将涉及几次重新启动。
如果遇到任何问题，将自动恢复以前的Windows 7安装。(Windows 7)
安装完成后，系统会要求您对Windows 8.1进行个性化设置。
如何个性化Windows 8.1安装
在个性化过程中(personalization process)，首先会要求您选择要用于“开始(Start)”屏幕和现代触摸界面的颜色。选择您想要的颜色，然后单击下一步(Next)。
然后，您需要选择是要使用 Windows 8.1 附带的快速设置，还是要自定义安装。让我们动手，看看如果单击自定义(Customize)会发生什么。
系统会询问您是否要打开文件共享和网络发现(file sharing and network discovery)。选择您喜欢的选项。
然后，系统会询问您Windows Update的(Windows Update)默认行为(default behavior)以及Windows SmartScreen等安全功能的默认行为。更改您感兴趣的内容，然后单击Next。
系统会询问您故障排除选项以及您要打开的内容。您还可以设置是否要向Microsoft发送不同类型的信息。根据您的喜好进行(preference and press)设置，然后按(Set)Next。
现在，系统会询问您是否要向Microsoft发送不同类型的信息，以及应用程序是否可以使用您的姓名、帐户图片以及是否允许它们访问您的位置。根据您的喜好进行(preference and click)设置，然后单击(Set)Next。
系统会要求您输入用于登录Windows 7的用户帐户密码(user account)。键入它并单击Next。
然后，系统会要求您提供将与Windows 7中的旧帐户关联的(Windows 7)Microsoft 帐户(Microsoft account)的详细信息。键入您的Microsoft 帐户的(Microsoft account)电子邮件地址和密码(email address and password)，然后单击下一步(Next)。
您被告知您需要输入用于验证您的帐户的安全代码。(security code)选择您希望接收该代码的方式：通过手机上的短信、电话(phone call)或电子邮件。然后，单击下一步(Next)。
注意：(NOTE:)获取此代码所显示的选项取决于您设置Microsoft 帐户(Microsoft account)的方式以及您是否提供了电话号码(phone number)。
现在，系统会要求您使用您选择的方法输入您刚刚收到的安全码。(security code)键入它并单击Next。
您被告知SkyDrive，它将用于自动将您的数据、文档和设置备份到云中。为获得最佳计算体验(computing experience)，最好单击“下一步”(Next)并保持SkyDrive处于开启状态。如果你想关闭它，你应该点击“关闭这些 SkyDrive 设置”("Turn off these SkyDrive settings")。
Windows 8.1需要一段时间来准备您的计算机、应用程序和所有设置。完成后，您将登录到Windows 8.1，您可以查看“开始(Start)”屏幕。
安装后要做什么
首先(First)，您应该详细自定义您希望 Windows 8.1 的工作方式。有许多新事物需要测试、学习和设置(learn and set)，所以慢慢来。
最后但同样重要的是，打开文件资源管理器(File Explorer)并转到安装Windows的分区。在那里，您将看到以前的 Windows 7 安装的Windows.old文件夹。(Windows.old)
要删除它，最好使用 Windows 8.1 中的磁盘清理(Disk Cleanup)工具。按清理系统文件(Clean up system files)按钮并选择旧的Windows 安装(Windows installation)文件。要了解如何使用此工具，请阅读本教程：在Windows 7和Windows 8中使用磁盘清理释放浪费的(Disk Cleanup)空间(Space)。
结论
我希望本指南对您有用。如果您遇到问题或发现 PC 上有不同的步骤，请不要犹豫，使用下面的评论表分享它们。
How to Upgrade from Windows 7 to Windows 8.1 Pro
If уoυ have a DVD with Windows 8.1 you can use it tо upgrade your Windows 7 PC, if it meets the necessary requirements. Beforе you go ahead with the process, there's lots of preparation wоrk you should take into consideration. Thаt's why I recommend that you read thіs guide and make make sure you don't forget аnything so that the whole process rυns smoothly.
What to do Before the Upgrade Begins
There are many things to keep in mind before starting the upgrade:
- You can upgrade all Windows 7 retail editions to Windows 8.1 Pro but you cannot upgrade them to Windows 8.1 or Windows RT 8.1.
- You cannot upgrade from a 32-bit version of Windows 7 to a 64-bit version of Windows 8.1 (or vice versa). If you have purchased a different version, you must perform a clean installation and move your files, settings, and apps manually.
- You must have at least 5.9 GB of free space available on the partition where Windows 7 is installed, in order for the upgrade to be performed.
- Windows 8.1 has different hardware requirements from Windows 7. Prior to starting the upgrade process, double check that your PC meets them: Windows 8.1 system requirements.
- You should create a Microsoft account prior to starting the upgrade to Windows 8.1, so that you can use it to log on to Windows 8.1. If you would like to learn more about Microsoft accounts, read this tutorial: Introducing Windows 8: Should You Use a Local or a Microsoft Account?
- You must have a valid Windows 8.1 product key available.
- During the upgrade, you will lose all your programs. Make a list with the programs that you use on a regular basis, so that you know which need to be reinstalled after the upgrade.
- You can use Windows Easy Transfer to backup and transfer your personal data safely between product installations. If you don't like using this tool, you can use any other product. Whatever you do, make sure you have a backup available for your important data.
How to Upgrade Windows 7 to Windows 8.1 Pro
In Windows 7, insert the Windows 8.1 installation DVD. Open Windows Explorer and run the setup.exe file found on the disc. A UAC prompt is shown - allow the setup to run with administrator permissions.
The setup takes a while to start. Then, you are asked whether you want to get the latest updates during the upgrade. Choose the option you prefer and click Next.
Then, you are asked for a valid Windows 8.1 product key. Type it and click Next.
You are asked to accept the license terms. Read them, select the box that says "I accept the license terms" and click Accept.
You are asked what to keep. Unfortunately, you can only choose to keep your personal files or you can choose to keep nothing. Select what you prefer and click Next.
A summary is shown for what the upgrade process will do. If you are ready to go ahead, click Install.
NOTE: If any of the prerequisites for the upgrade process are not met, you are shown a summary of the things that need to be changed. You won't be able to continue the upgrade until you resolve those issues. Once you resolve them, restart the upgrade process from the beginning.
The Windows 8.1 installation is started and its progress is shown. Stop using your computer and wait for it to finish. The process will involve a couple of restarts.
If any problems are encountered, the previous Windows 7 installation is restored automatically.
After the installation is finalized, you are asked to personalize Windows 8.1.
How to Personalize the Windows 8.1 Installation
During the personalization process, you are first asked to pick the color you want to use for the Start screen and the modern touch interface. Select the color you wish and click Next.
Then, you need to choose if you want to use the express settings Windows 8.1 comes bundled with, or you want to customize your installation. Let's get our hands dirty and see what happens if you click Customize.
You are asked if you want to turn on file sharing and network discovery. Select the option you prefer.
Then, you are asked about the default behavior of Windows Update and that of security features like Windows SmartScreen. Change the things you are interested in and click Next.
You are asked about troubleshooting options and what you want to turn on. You can also set whether you want to send different types of information to Microsoft. Set things according to your preference and press Next.
Now you are asked if you want to send different types of information to Microsoft and whether apps can use your name, account picture and if they are allowed to access your location. Set things according to your preference and click Next.
You are asked for the password that you used to log into Windows 7, for your user account. Type it and click Next.
Then, you are asked to provide the details of a Microsoft account that will be associated with the old account from Windows 7. Type the email address and password for your Microsoft account and then click Next.
You are informed that you will need to enter a security code that is used to verify your account. Select how you would like to receive that code: via a text message on your phone, via a phone call or via email. Then, click Next.
NOTE: The options displayed for getting this code depend on how you have set your Microsoft account and if you provided your phone number.
Now you are asked to enter the security code you just received, using the method you selected. Type it and click Next.
You are informed about SkyDrive and that it will be used to automatically back up your data, documents, and settings to the cloud. For the best computing experience, it is best to click Next and leave SkyDrive turned on. If you want to turn it off, you should click "Turn off these SkyDrive settings".
Windows 8.1 takes a while to prepare your computer, your apps and all the settings. When done, you are logged into Windows 8.1 and you can view the Start screen.
What To Do After the Installation
First of all, you should customize in detail how you want Windows 8.1 to work. There are many new things to test, learn and set, so take your time.
Last but not least, open File Explorer and go to the partition where Windows is installed. There you will see the Windows.old folder with your former Windows 7 installation.
To delete it, it is best to use the Disk Cleanup tool in Windows 8.1. Press the Clean up system files button and select the old Windows installation files. To learn how to use this tool, read this tutorial: Free Up Wasted Space with Disk Cleanup in Windows 7 & Windows 8.
Conclusion
I hope this guide will be useful to you. If you encounter issues or you notice different steps on your PC, don't hesitate to share them using the comments form below.
