Taichi: I can't install taichi by pip

[fei2020]

Describe the bug
I can't install taichi by pip

Log/Screenshots

C:\Users\work>pip install taichi-nightly
ERROR: Could not find a version that satisfies the requirement taichi-nightly (from versions: none)
ERROR: No matching distribution found for taichi-nightly

C:\Users\work>pip3 install -i https://pypi.org/project/ taichi-nightly
Looking in indexes: https://pypi.org/project/
ERROR: Could not find a version that satisfies the requirement taichi-nightly (from versions: none)
ERROR: No matching distribution found for taichi-nightly

C:\Users\work>pip3 install -i https://pypi.org/project/ taichi-nightly==0.3.9
Looking in indexes: https://pypi.org/project/
ERROR: Could not find a version that satisfies the requirement taichi-nightly==0.3.9 (from versions: none)
ERROR: No matching distribution found for taichi-nightly==0.3.9

C:\Users\work>pip install -i https://pypi.tuna.tsinghua.edu.cn/simple taichi-nightly
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
ERROR: Could not find a version that satisfies the requirement taichi-nightly (from versions: none)
ERROR: No matching distribution found for taichi-nightly

C:\Users\work>pip install -i https://pypi.tuna.tsinghua.edu.cn/simple taichi-nightly==0.3.9
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
ERROR: Could not find a version that satisfies the requirement taichi-nightly==0.3.9 (from versions: none)
ERROR: No matching distribution found for taichi-nightly==0.3.9

[yuanming-hu]

Hi, could you please let me know your OS?

[jiujiangxueyuan]

The OS should be Windows by file directory.

[Erhannis]

I, too, have this problem.
Windows 10 Enterprise
Python 3.7.4
Pip 20.0.2

[yuanming-hu]

This is weird. Are you guys using Windows with ARM or 32bit CPUs?

[alex-shortt]

Getting the same issue on Mac 10.14.6 with python 3.6.8 and pip 20.0.2

[yuanming-hu]

@alex-shortt python3.6 on OS X is not supported. Please use Python3.7 (or contribute to https://github.com/taichi-dev/taichi/issues/409 so that Taichi with 3.6/3.8 will be built as well.)

[Erhannis]

Nope; x64

[Erhannis]

Ahhh, wait. My OS is 64-bit, but my python i s 32-bit. I suspect that's my problem.

[yuanming-hu]

@Erhannis Yeah only 64-bit python is supported.

[bluevisor]

I have the same problem on macOS 10.15.3, Python 3.8.1

$ python3 -m pip install taichi-nightly
ERROR: Could not find a version that satisfies the requirement taichi-nightly (from versions: none)
ERROR: No matching distribution found for taichi-nightly

[yuanming-hu]

@bluevisor please see https://github.com/taichi-dev/taichi/issues/409

[Eason-zz]

I, too, have this problem.
Windows 10 Enterprise
Python 3.7.4
Pip 20.0.2

me，too