The answer to 'how to clean carpet yourself' is to use a combination of vacuuming, spot cleaning, and deep cleaning methods. Start by thoroughly vacuuming the carpet to remove surface dirt and debris. Then, use a carpet cleaner solution and a scrub brush or sponge to spot clean any visible stains or spills. For a deeper clean, rent a carpet cleaning machine and follow the instructions to thoroughly clean and extract dirt and moisture from the carpet fibers.
Be sure to vacuum the carpet regularly, at least once a week, to maintain its appearance and prevent dirt buildup. Spot clean as needed, and consider a deep clean every 6-12 months to keep your carpet looking its best.