Dust is a common problem in PC building Simulator. It accumulates over time and can cause problems with performance, stability, and even the appearance of your computer. To clean out dust in PC building Simulator, you will need to use a variety of methods. One way is to use a vacuum cleaner to suck the dust out of the air vents. Another way is to use a Dust cloth to clean the surfaces of your computer. Finally, you can use a hairdryer to dry off the surfaces of your computer. If you are unable to clean out dust in PC building Simulator using any of these methods, then you may need to take other measures such as using an air purifier or investing in a Dust cloths/vacuum cleaners set.