Gone are the days when the PC scans required you to allocate resources of time and money for them. These days the PC Scans could be done very easily without contributing much of you money, time and effort.
To be at ease during a PC Scan, all you have to do is to find a good scanning program. You can buy it from the market, if that is convenient and easily accessible. Otherwise too you do not have a reason to worry. A good PC Scan program can be found very easily by getting online.
Finding a scanning program online has a little check. Just beware of the mal ware and malicious content being market as scanning software. Sometimes they are given off at a price (when the developer or manufacturer is after you r money).
At other times they are marketed as free PC Scan programs that are extremely easy to install. Often these kinds of traps are developed by the hackers who get access top your computer by a single mindless click of yours.
So always look for a reliable manufacturer. Also try to go through many reviews of the product before actually deciding to buy it. If you want a free version then download a trial version of the premium version. These are often valid for some days only but nevertheless they keep your PC clean. Also you can download a program from another manufacturer when one version expires. This practice may even prove to be very beneficial for you PC.
It would be beneficial such that one manufacturer does not (and can not) give a cover for all types of viruses. It will leave some viruses sitting in your PC. But the other manufacturer may find the left out ones. So by this practice your computer can be ultra clean. Just do not forget to formally uninstall a scan program before installing another one.
One way to perform a PC Scan with ease is to schedule it at a time when your PC is not in use. This way you will not have to bear irritating halts and slowed down hard disk. Also there are some scanning programs currently available that promise not to slow down the PC when they are running. When they are running the PC runs at an optimum speed and when they have finished their job, the computer becomes exceptionally fast.
Among many soft wares that ease the PC Scan process, I have found Spyzooka the best. Download it and try for yourself.