Investing in NFO scheme online typically takes 10-15 minutes if KYC is pre-completed. The process involves logging into a mutual fund platform, selecting the NFO, and making a payment via net banking or UPI. Verification and confirmation may take 1-2 days if KYC is pending. The subscription window, usually 5-15 days, must be adhered to. This efficiency makes invest in NFO scheme online a quick and accessible option for investors.