此时你需要寻找并点击“无法连接到互联网”（Having trouble connecting to the Internet）或类似的选项。随后，在弹出的页面中，选择“离线激活”（Offline Activation），并点击“生成响应代码”（Generate a Response Code）。
When the system fails to connect, click or "I cannot connect to the internet" .
Open a web browser and navigate to the official Adobe Activation page: (or the specific offline URL displayed on your Acrobat screen). Sign in using your valid Adobe ID credentials.
Because the offline machine cannot communicate directly with Adobe's licensing servers, you must manually act as the mediator using a challenge-and-response method. Follow these precise steps: Step 1: Initiate Installation on the Offline Machine adobe acrobat pro 2020 offline activation
On the sign-in or serial number validation screen, look for a link that says or "I cannot connect to the internet" .
When prompted, select and enter your 24-digit perpetual serial number. Complete the installation wizard and click Finish . Step 2: Access the Offline Activation Screen Launch Adobe Acrobat Pro 2020 on the offline computer.
Open a web browser and navigate to Adobe's official activation portal: or the specific offline activation URL displayed on your offline screen. Sign in with your Adobe ID credentials if prompted. Because the offline machine cannot communicate directly with
Paste or type the into the empty field provided in the Offline Activation wizard. Click Activate .
带着你抄下的请求代码，切换到一台可以联网的电脑上，访问 Adobe 官方的激活网站： www.adobe.com/go/getactivated 。按照页面提示点击“离线激活”（Offline Activation），并登录你的 Adobe ID（如果没有，需要先免费注册一个）。在网页中输入你刚才记录下的请求码，点击生成（Generate），系统会提供一个响应码（Response Code）。
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Complete the installation wizard and click Finish
| 特性 | | Adobe Acrobat Pro 2024 (替代版) | | :--- | :--- | :--- | | 授权类型 | 永久授权 (一次性购买) | 3年期许可 (一次性预付，不可续订) | | 官方支持 | ❌ 已终止 (2025年11月30日) | ✅ 在有效期内可获得官方支持 | | 联网要求 | 仅首次激活需联网，后续可完全离线 | 激活后可在整个许可期内离线使用 | | 核心功能 | 基础的桌面PDF创建、编辑、转换与OCR | 包含2020版所有功能，并增加了界面改进与新的标记工具 | | 价格模式 | 常规价格高，但属一次性买断 | 价格较低，但需每3年重新购买一次 | | 数据权限 | 本地处理 ，不涉及云端在线服务 | 延续本地策略，但整合了部分Microsoft 安全标签服务 |
Copy this code exactly as it appears, or save it into a text file ( .txt ) on your USB drive. Note: Request codes are case-sensitive and unique to that specific machine. Step 3: Generate the Response Code (On the Online Machine) Take your USB drive to the device with internet access.
A long, alphanumeric will appear on your screen.