system restore

noun
UK /ˈsɪstəm rɪˈstɔː/
US /ˈsɪstəm rɪˈstɔːr/

A tool that puts a computer back to how it was on an earlier day.

I used system restore to fix my computer after it got slow.


OTHER MEANINGS

2. The act of bringing a computer system back to a previous working state.

The technician performed a system restore to remove the bad update.

3. A saved point in time that a computer can return to.

Create a system restore before installing new software.

4. A feature in some operating systems for undoing harmful changes.

System restore saved my files when the program crashed.