Yes Pytorch support windows version here 101 now you can install it by:
conda install pytorch -c pytorch 
pip3 install torchvision

If you got error like this.
Downloading and Extracting Packages
pytorch 0.4.0: ######################################################## | 100%
Preparing transaction: done
Verifying transaction: done
Executing transaction: failed
ERROR conda.core.link:_execute(481): An error occurred while installing package
'pytorch::pytorch-0.4.0-py36_cuda80_cudnn7he774522_1'.
PermissionError(13, 'Permission denied')
Attempting to roll back.

Please run your anaconda prompt as administrator by right click and choose run as administrator then copy paste the command again. The error should be resolved.