|You either have several hard drives, or one hard drive that has several partitions. C: is for the operating system, I have no idea what D & E are being used for. One of them may contain the Restore/Recovery files. Go to My Computer & do the following:|
Right click on Local Disk C, then click Properties - what is listed for Used Space, Free Space & Capacity?
Repeat the above for D & E. Post your findings.