While 32-bit operating systems can address 4 gigabytes, they will utilize little more than three gigabytes as system RAM (actually 4 gigabytes minus Video RAM minus overhead for other units).

Buy a cleaning solution coming from a local store that can clean and sanitize carpeting.
On the other hand, if you have a type of business where just a few customers go to your company daily then you could potentially choose to obtain your carpets cleansed each.