# 安装 AI Engine Direct
Source: [https://docs.qualcomm.com/doc/80-70014-15BY/topic/qnn-download.html](https://docs.qualcomm.com/doc/80-70014-15BY/topic/qnn-download.html)
Qualcomm AI Engine Direct SDK 需要在 Ubuntu 22.04 主机上运行。
Note: 如果主机运行的是 Windows 或 macOS 操作系统软件，须按照 [此处](https://docs.qualcomm.com/bundle/publicresource/topics/80-70015-41)提供的步骤安装虚拟机。后续步骤必须在运行 Ubuntu 22.04 LTS 的虚拟机中执行。
Qualcomm AI Engine Direct SDK 工作流程已通过采用以下配置进行了验证：运行于物理主机或如下配置的虚拟机上的 Ubuntu 22.04。
Note: 不支持在基于 Arm 架构的 macOS 操作系统中的 VM 内运行 Ubuntu 22.04。
| 下载方式 | 前提条件 | 可用版本 |
| --- | --- | --- |
| [直接下载](https://softwarecenter.qualcomm.com/api/download/software/qualcomm_neural_processing_sdk/v2.26.2.240911.zip) | 无需任何前提条件即可下载。 | v2.26.2（SDK 每季度更新一次） |
| [Qualcomm Package Manager](https://docs.qualcomm.com/doc/80-70014-15BY/topic/qnn-download.html#concept_owl_1qt_pbc__section_fyw_1qt_pbc_spyrz_06-03-24-1259-9-228) | 需要拥有有效的 Qualcomm ID。
Qualcomm Package Manager 工具。 | SDK 每月更新一次。 |
## 直接下载
AI Engine Direct SDK 可从 [此处](https://softwarecenter.qualcomm.com/api/download/software/qualcomm_neural_processing_sdk/v2.26.2.240911.zip)直接下载。下载后，解压软件包。
Note: 上述链接提供的 SDK 版本每季度更新一次。
unzip 2.26.2.240911.zipCopy to clipboard
cd qairt/2.26.2.240911Copy to clipboard
export SNPE_ROOT=`pwd`Copy to clipboard
## Qualcomm Package Manager
AI Engine Direct SDK 也可以通过 Qualcomm Package Manager (QPM) 下载。本部分演示如何使用 QPM 下载 AI Engine Direct SDK。
Note: 为使用 Qualcomm Package Manager 下载 Qualcomm AI Engine Direct，须确保您已经注册了 Qualcomm ID。如果您没有 Qualcomm ID，系统将提示其注册。然后，按照下方说明下载并安装 SDK。
1. 前往 [Qualcomm Package Manager](https://qpm.qualcomm.com/#/main/) 并使用 Qualcomm ID 登录。
2. 点击 **AI Engine Direct SDK**，导航至下一页。从下拉列表中选择 **Linux** 和 **Version 2.26.2.240911**，然后点击 **Download** 下载 AI Engine Direct SDK 安装程序。
Note:
- 这些步骤基于版本 2.26.2.240911作为示例。
- 如果使用 Qualcomm Package Manager 桌面工具， **Extract** 按钮则为可见。点击该按钮会自动安装 QNN SDK。
3. 使用 QPM CLI 工具安装下载的安装程序 (.qik)。
1. 使用 QPM CLI
登录。
qpm-cli --login Copy to clipboard
Password：
[Info] : Login is successful
[Info]：Fetching product catalog ........
[Info]：Product catalog refreshed successfullyCopy to clipboard
2. 激活 SDK
许可证。
qpm-cli --license-activate qualcomm_ai_engine_directCopy to clipboard
[Info]：Activating license ：qualcomm_ai_engine_direct
[Info]：License activation is successful ActivationId=[7██████████1]Copy to clipboard
3. 提取并安装
SDK。
qpm-cli --extract Copy to clipboard
---------------------------------
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By accessing or using this tool, you agree to the foregoing.
Copyright (c) 2018-2024 Qualcomm Technologies, Inc. All rights reserved.
Accept and continue with installation [y/n]: y
[Info] :Config File Present
[Info]：Checking environment
[Info]：Checking previous version
[Info]：Checking dependencies
[Info]：Preparing system
[Info]：Extracting files
[Info]：Configuring system
[Info]：Finishing
[Info]：SUCCESS: Installed qualcomm_ai_engine_direct.Core at /opt/qcom/aistack/qairt/2.26.2.240911Copy to clipboard
Last Published: Jan 26, 2026
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