To install the Maxthon Cloud Browser open a terminal window (press Ctrl+Alt+T) and copy+paste the following lines:
wget http://dl.maxthon.com/linux/deb/packa...
sudo dpkg -i maxthon-browser-stable_1.0.0.10_i386.deb
rm maxthon-browser-stable_1.0.0.10_i386.deb
For 64-bit copy+paste the following lines:
wget http://dl.maxthon.com/linux/deb/packa...
sudo dpkg -i maxthon-browser-stable_1.0.0.10_amd64.deb
rm maxthon-browser-stable_1.0.0.10_amd64.deb
When you're finished you can close the terminal window, to start Maxthon press the SuperKey and type: maxthon