# Installing MindSpore in CPU by pip (Windows)

• Installing MindSpore in CPU by pip (Windows)
  • System Environment Information Confirmation
  • Installing MindSpore
  • Installation Verification
  • Version Update

This document describes how to quickly install MindSpore by pip in a Windows system with a CPU environment.

System Environment Information Confirmation

• Confirm that Windows 10 is installed with x86 architecture 64-bit operating system.
• Confirm that Python 3.7.5 is installed.
  • If you didn't install Python or you have installed other versions, please download the Python 3.7.5 64-bit from Huaweicloud to install.
• After installing Python, add Python and pip to the environment variable.
  • Add Python: Control Panel -> System -> Advanced System Settings -> Environment Variables. Double click the Path in the environment variable and add the path of python.exe.
  • Add pip: The Scripts folder in the same directory of python.exe is the pip file that comes with Python, add it to the system environment variable.

Installing MindSpore

pip install https://ms-release.obs.cn-north-4.myhuaweicloud.com/{version}/MindSpore/cpu/windows_x64/mindspore-{version}-cp37-cp37m-win_amd64.whl --trusted-host ms-release.obs.cn-north-4.myhuaweicloud.com -i https://pypi.tuna.tsinghua.edu.cn/simple

Of which,

• When the network is connected, dependency items are automatically downloaded during .whl package installation. (For details about other dependency items, see requirements.txt). In other cases, you need to manually install dependency items.
• {version} denotes the version of MindSpore. For example, when you are downloading MindSpore 1.0.1, {version} should be 1.0.1.

Installation Verification

python -c "import mindspore;print(mindspore.__version__)"

If the MindSpore version number is output, it means that MindSpore is installed successfully, and if the output is No module named 'mindspore', it means that the installation was not successful.

Version Update

Using the following command if you need update MindSpore version:

pip install --upgrade mindspore