Following tips are help you to increase and sustain your computer access speed:

1. Install Windows/ Windows version by confirming which appropriate for your PC according to your computer Motherboard, Processor, Ram, Hard Disk and Graphics Card.
2. Install all necessary software from your PC driver CD to perform good output of your computer parts and update PC driver software (when available) from internet for better performance.
3. Install a good antivirus software to your PC to protect PC form virus & malware and perform full scan with antivirus daily or weekly and keep antivirus software up to date.
4. Use a PC utility software to remove junk file, old history from your PC & startup control. Many unnecessary or less necessary software install & open with your PC startup. This unnecessary or less necessary software always open & making busy your RAM & Processor. Which make slow to your PC. So, control your startup by delete unnecessary or less necessary software from startup.
5. Perform Disk Defragment to optimize your drives daily or weekly to help your computer run more effectively.      

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How to speed up a computer: