If using 'conda activate' from a batch script, change your invocation to 'CALL conda.bat activate'.

Windows PowerShell 运行  conda activate python36 切换python版本时报错

CommandNotFoundError: Your shell has not been properly configured to use 'conda activate'.
If using 'conda activate' from a batch script, change your
invocation to 'CALL conda.bat activate'.

解决办法：改为用 cmd 运行

总结：PowerShell 有时不好使

来源：oschina

链接：https://my.oschina.net/zhenggao/blog/3224521