My carpet is really dirty and there is some dried paint, too.
i recomend Hydromist 20 Heavy Duty Carpet Extraction Cleaning Machine which has 20 litre portable extraction cleaning machine,3m Hose and Stainless steel carpet wand
'I Love My Carpet' cleans everything. and also CLOROX BLEACH PENS get the stains out of anything! I swear! For the paint you could try spraying hairspray on it and it might come out easier. You could put club soda, bleach, baking soda and water, or nail polish remover on stains and scrub it with a wet wash cloth, and it should clean your carpet. You could also try a steam cleaner.
lease a steam purifier additionally purchase the defoamer. Then use daybreak dish cleansing soap with the defoamer warm water. For particularly undesirable complicated spots spray with Spot Shot carpet stain remover.