The easiest way to start with Yoga, if there is no Yoga teacher available, is using a Video.
First start by the Complete Beginners Video
Practice with this video for a while.
Then continue with advanced beginners
Afterwards you go to
and finally to
Take 1-8 weeks (depending on your physical condition) for each of the
video. It is best to practice once a day - but you can also practice
every 2 or three days.
I wish you lots of joy in your practice.
If you have questions, please ask here in the forum
Here is the first of the Videos (you can have it in full-screen-mode, you can download it, too, on Vimeo):