You can make your old computer run like new by doing a couple of simple things.First, you should clear out all the unnecessary files that are clogging up your hard drive. Run a disk clean-up utility to delete all the temporary files, cookies, and other junk that's slowing down your system.Second, you should defragment your hard drive. This will optimize the layout of your files and make them easier to access. This will speed up your system dramatically.Third, you should update your drivers and software. Outdated drivers and software can cause your system to run slow and unstable. Make sure you have the latest versions of everything installed on your computer.

First, make sure your computer is running the most up-to-date version of its operating system. Next, run a disk cleanup to clear out all the unnecessary files that are clogging up your hard drive. Finally, install some good antivirus software and run a full system scan to get rid of any malicious programs or files.