install ovito in anaconda 
https://www.ovito.org/python-downloads/

1. Install ovito
conda install --strict-channel-priority -c https://conda.ovito.org -c conda-forge ovito

shown:
Collecting package metadata (current_repodata.json): done

Solving environment: failed with initial frozen solve. Retrying with flexible solve.

Solving environment: failed with repodata from current_repodata.json, will retry with next repodata source.

Collecting package metadata (repodata.json): done

………….

Package llvmlite conflicts for:

numba -> llvmlite[version='0.20.*|0.21.*|0.22.*|0.23.*|0.24.*|>=0.25.0,<0.26.0a0|>=0.26.0,<0.27.0a0|>=0.27.0,<0.28.0a0|>=0.28.0,<0.29.0a0|>=0.29.0,<0.30.0a0|>=0.29.0|>=0.30.0,<0.31.0a0|>=0.30.0|>=0.31.0,<0.32.0a0|>=0.31.0,<0.33|>=0.33.0,<0.34|>=0.34.0,<0.35|>=0.35.0,<0.36.0a0|>=0.36.0,<0.37.0a0|>=0.33.0|>=0.33.0,<0.34.0a0|>=0.32.1|>=0.32.1,<0.33.0a0|>=0.32.0|>=0.32.0,<0.33.0a0|>=0.31.0']

anaconda==2020.11 -> llvmlite==0.34.0[build='py37h1a82afc_4|py38h1a82afc_4']

anaconda==2020.11 -> numba==0.51.2=py37hf9181ef_1 -> llvmlite[version='>=0.34.0,<0.35']

 

Package py-lief conflicts for:

anaconda==2020.11 -> py-lief==0.10.1[build='py38ha925a31_0|py37ha925a31_0']

conda-build -> py-lief

 

Package qdarkstyle conflicts for:

spyder -> qdarkstyle[version='3.0.2.*|>=2.8,<3.0|>=2.8|>=2.7']

anaconda==2020.11 -> spyder==4.1.5=py37_0 -> qdarkstyle[version='>=2.8']

anaconda==2020.11 -> qdarkstyle==2.8.1=py_0

 

Package helpdev conflicts for:

qdarkstyle -> helpdev[version='>=0.6.10']

spyder -> qdarkstyle[version='>=2.8,<3.0'] -> helpdev[version='>=0.6.10']

 

Package pbr conflicts for:

pytables -> mock -> pbr[version='>=1.3']

mock -> pbr[version='>=1.3']

 

Package conda-pack conflicts for:

anaconda-project -> conda-pack

anaconda-navigator -> anaconda-project -> conda-pack

Note that strict channel priority may have removed packages required for satisfiability.




2. Trying to update conda and others 

conda update --all --yes
problem:
| DEBUG menuinst_win32:__init__(198): Menu: name: 'Anaconda${PY_VER} ${PLATFORM}', prefix: 'C:\ProgramData\Anaconda3', env_name: 'None', mode: 'system', used_mode: 'system'
DEBUG menuinst_win32:create(323): Shortcut cmd is C:\ProgramData\Anaconda3\pythonw.exe, args are ['C:\\ProgramData\\Anaconda3\\cwp.py', 'C:\\ProgramData\\Anaconda3', 'C:\\ProgramData\\Anaconda3\\pythonw.exe', 'C:\\ProgramData\\Anaconda3\\Scripts\\anaconda-navigator-script.py']
DEBUG menuinst_win32:__init__(198): Menu: name: 'Anaconda${PY_VER} ${PLATFORM}', prefix: 'C:\ProgramData\Anaconda3', env_name: 'None', mode: 'system', used_mode: 'system'
DEBUG menuinst_win32:create(323): Shortcut cmd is C:\ProgramData\Anaconda3\python.exe, args are ['C:\\ProgramData\\Anaconda3\\cwp.py', 'C:\\ProgramData\\Anaconda3', 'C:\\ProgramData\\Anaconda3\\python.exe', 'C:\\ProgramData\\Anaconda3\\Scripts\\jupyter-notebook-script.py', '"%USERPROFILE%/"']
DEBUG menuinst_win32:__init__(198): Menu: name: 'Anaconda${PY_VER} ${PLATFORM}', prefix: 'C:\ProgramData\Anaconda3', env_name: 'None', mode: 'system', used_mode: 'system'
DEBUG menuinst_win32:create(323): Shortcut cmd is C:\ProgramData\Anaconda3\pythonw.exe, args are ['C:\\ProgramData\\Anaconda3\\cwp.py', 'C:\\ProgramData\\Anaconda3', 'C:\\ProgramData\\Anaconda3\\pythonw.exe', 'C:\\ProgramData\\Anaconda3\\Scripts\\spyder-script.py']
DEBUG menuinst_win32:create(323): Shortcut cmd is C:\ProgramData\Anaconda3\python.exe, args are ['C:\\ProgramData\\Anaconda3\\cwp.py', 'C:\\ProgramData\\Anaconda3', 'C:\\ProgramData\\Anaconda3\\python.exe', 'C:\\ProgramData\\Anaconda3\\Scripts\\spyder-script.py', '--reset']
done


3. After update, I was tring to install Ovito, it is still not working at all