1.) Install Preload from the Software Center. If it’s not there then open terminal.

sudo apt-get install preload 

2.)  Change Swappiness Value. Open terminal

sudo gedit /etc/sysctl.conf

A popup window will appear. It looks like a text editor. Scroll all the way to the bottom of that page and past this code.

# Decrease swappiness value
vm.swappiness=10

After you past the code below click Save and then close.

Restart your computer.

3.) Overclock Overclocking. This will speed up your PC,  but your battery will drain faster and your PC will run hotter. (Not in a sexy way L.O.L) Open terminal and type. 

sudo apt-get install indicator-cpufreq 

After you done you will notice a new indicator on the top of your screen. Click it to toggle from Performance to Power  saver.

How to move unity launcher to the bottom

This will show you how to move your task bar to the bottom of your screen in the latest version of UBUNTU 

Open Terminal 

Copy and past this code.

After you past it press the enter key.

Then type in your pass word and press enter again.

sudo gsettings set com.canonical.Unity.Launcher launcher-position Bottom

sudo gsettings set com.canonical.Unity.Launcher launcher-position Left

If you hate using the terminal then

go to the

Ubuntu Software Center

and search for 

Unity Tweak Tool

and install it.

After installing it go to the Launcher tab,

bring your eyes to the bottom where it says

Appearance, 

then choose Bottom.  

If this method dose not work , then install the latest version of UBUNTU

To download the new Ubuntu OS go to 

Ubuntu.com