What kind of applications to be installed in the C plate, why drivers should be installed in the D plate

no application to be installed in the c plate
disk which can be loaded into the program you installed the system Disk, in theory the system can reduce the disk of debris generated document, the operation of the system to improve the efficiency and speed.But not mandatory to install where.There are some green software installed on the system disk outside.Can easily reinstall the system without having to re – The installation of those procedures.However, some software must be installed on the system can be set.They can refer to the relevant information.'s No need to set C is a system-driven process is not clear what the procedures are not installed in the C plate, where equipment will do, C is set to run faster than the other plate a little bit.There are other software programs installed in the system where the disk, then re-installed systems do not have those things, but it's still the heavy.