Restore point
Also searched as: restore point · system restore · create a restore point
What it means
A saved snapshot of your Windows settings you can roll back to if a change goes wrong. It's the undo button you set up before you need it.
More detail
Making one takes a minute and costs nothing, and it's the single best habit before any BIOS, registry, or driver-level session. It won't recover deleted personal files, but it will rescue you from a tweak that broke boot or stability. …
In the Blackbook
The deeper explanation continues inside the app. The Blackbook publishes its verdicts here — the full write-ups stay in the book, on your rig, next to your own measurements.
The Compy Blackbook holds 191 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 →