Get the Operating System Version
uname -a
uname -a lets you know the current version of the Operating System of the Raspberry Pi you are using. Below is an example output of the command which shows the current version of my Raspberry Pi.
Download the Driver
wget https://dl.dropboxusercontent.com/u/80256631/mt7601-(version and build number).tar.gzor download from the forum.
For example, my Raspberry Pi's version and build number is 3.18.11-v7+ #781. By following the instructions, I should end up with the following URL.
https://dl.dropboxusercontent.com/u/80256631/mt7601-3.18.11-v7-781.tar.gz
Extract and Install the Driver
tar xzf (filename)
./install.sh
Restart the Raspberry Pi