This document introduces how to install PaddleClas and its requirements.
## Install PaddlePaddle
Python 3.5, CUDA 9.0, CUDNN7.0 nccl2.1.2 and later version are required at first, For now, PaddleClas only support training on the GPU device. Please follow the instructions in the [Installation](http://www.paddlepaddle.org.cn/install/quick) if the PaddlePaddle on the device is lower than v1.7
Install PaddlePaddle
```bash
pip install paddlepaddle-gpu --upgrade
```
or compile from source code, please refer to [Installation](http://www.paddlepaddle.org.cn/install/quick).
- Make sure the compiled version is later than v1.7
- Indicate **WITH_DISTRIBUTE=ON** when compiling, Please refer to [Instruction](https://www.paddlepaddle.org.cn/documentation/docs/zh/develop/install/Tables.html#id3) for more details.