Here is how to get a better OS (Operating System.)

Step 1: Download Ubuntu
Step 2: Burn the ISO as an image to a CD-ROM
Step 3: Put CD into the CD Drive
Step 4: Restart
Step 5: Let it boot from CD
Step 6: Click Start and Install
Step 7: When all is loaded double click the install icon
Step 8: Go through the installation
Step 9: Reboot after installation
Step 10: Enjoy Linux.

This is a simple, basic article, if you should so choose to try this out and any of it fails there is no applicable warranty and I do not take any responsibility for damage.