latest version is 15.4.1.....

but, my pc is 32bit.
they dont giving 32bit deepin 15.4.1

This will help you https://morshed.im/2017/11/06/how-to-install-avro-in-deepin-linux/

https://www.deepin.org/en/2016/09/17/deepin-15-3-elegant-and-effective/

Deepin 15.4.1 can't be installed directly with 32bit.
But when you update an existing installation,it works.
Just run this command:
sudo apt-get update && sudo apt-get dist-upgrade
I had to do this for an old laptop,too and it works fine.