Computers are virtual workspace, and as physical workspace, they can become full of junk over time, which can decrease efficiency. The more clutter there is on your computer’s hard drive, the longer it can take for it to access the data you need to run programs. Taking steps to clean your hard drive and remove harmful data can lead to a significant increase in your computer’s performance, especially if your computer is slow. Things You’ll Need

antivirus software

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  1. Delete old data from your hard disk. Right-click on any old media file, documents, program installers etc and select “Delete” to move them to the recycle bin. Right click on the trash and select “Empty Trash” to delete all the items it contains.
  2. Uninstall programs that you no longer use. Click “Start,” “Control Panel,” “Add / Remove Programs,” and then right click on any program and select “Uninstall” (for MS Vista click on “Programs and Features” instead of “Add Remove Programs “).
  3. Perform disk cleanup. Click “Start,” “All Programs,” “Accessories,” “System Tools,” “Disk Cleanup,” select the hard drive to clean (your main drive will be selected by default), click ” OK “button, wait for the system to check for the disposable files, select the file types you want to delete from the list by checking the boxes next to each file type and click” OK. ” If you do not know what file types to select, simply click “OK” without making any changes to the selection.
  4. Run disk defragmentation. Click “Start,” “Computer,” right click on your hard drive, click “Properties,” click “Tools,” and then click “Defragment Now.” This process may take a few hours.
  5. Run a system scan with an antivirus program and remove any malware that is detected. For most antivirus programs, scanning can be performed by opening the program and clicking a well-visible button that says something like “Scan Now”. Scanning may take an hour or more to complete. If you do not have a antiviruis program, you can download a free one like AVG Free, Avast or Avira AntiVir.