answered
There are lots of problems which make your pc slow.
Microsoft Registry Problems = Slow Computer!
Spyware/Adware
RAM
De-Fragmenting
Etc.

Below can help you speed up your pc:

I. De-Fragmenting
1. Right click of C Disk.
2. Click properties.
3. Click tools tab.
4. Click "Defragment now".
5. … Read more