Use sudo if needed
Mount
mkdir /mnt/share
mount -t cifs //windows_machine_ip/share_name -o username=user,password=urPassword /mnt/share
To allow write access one has to specify owning user and group:
sudo mount -t cifs //windows_machine_ip/share_name -o uid=$(id -u),gid=$(id -g),user=,password= /mnt/share
Unmount
umount /mnt/shares