1) Speed the soft up at :( hot buttons ctrl+k) editing\settings\basic...\performance
Memory usage at the most 80%
Undo history at the most 24 (for slow computers 8-12 are better)
Cache level 4
Cache’s fragment size 128 kb.
2) Choose all drives besides C: drive on the property page
If there’s only one drive choose it turning off all the rest (flash drive, for instance)
3)Done! Like it =)