You can't speed up hardware. Also, deleting files will barely speed up your computer.(20 GB of deleting will only affect your computer by milliseconds)
Hardware is usually what is used to control a computer but you can download software that would enable you to speed up the computer.
Collaboration software allows for everything on your computer to function at the appropriate speed without taking up too much room. It allows for you to use more of the hardware space you have on your computer.
Computer hardware is the components that make up a computer. Computer architecture is the model used to combine the Hardware into a working unit.
Hardware upgrades will usually speed up your system better than software upgrades.
In computer hardware, "cards" usually refers to the different silicon boards that make up the hardware of a computer.
Hardware
Computers have hardware (the parts the computer is made up from) and software (programs)
PC Inventory Software is used to collect data from many or all the computers connected on a network. The collection can bring up information about software and hardware and create an inventory report.
A USB stick will not do anything towards speeding up your computer or Vista.
I would say, "hardware".
1. Increasing RAM Memory 2. Adding Graphics card/processor 3. Deleting unwanted files from c: these things can help speed up your PC
To free up space delete things you no longer need. If you need space buy a bigger HDD. To improve speed buy RAM and a GREAT graphics card to keep you computer up to speed.