How to Install acrobat reader in Ubuntu 64-bit machine

Downloaded .deb file from http://get.adobe.com/uk/reader/otherversions/

then executed the below command via terminal:
sudo dpkg -i --force-architecture AdbeRdr9.1.2-1_i386linux_enu.deb


the options "--force-architecture is important without that it will not allow to install that package on 64-bit m/c.