Registry
Also searched as: registry · regedit · registry editor · registry key
What it means
Windows' giant central settings database. A huge share of "FPS boost" guides are registry edits, and most of them do nothing.
More detail
Real settings live here, but so does a graveyard of recycled tweaks with magic values that modern Windows ignores. A bad edit can break things quietly, and there's no undo button — which is why a restore point before editing is the rule. When a registry tweak sounds too clever to be true, it usually is.
The Compy Blackbook holds 174 graded entries like this one, judged against your hardware — and every change it does make is reversible, with the receipt to prove it.
See Compy →