Overview
What is Instant Shutdown?
Instant Shutdown : A C++ program that instantly powers off your computer when run, as if it were unplugged
In depth
A closer look at Instant Shutdown
Instant Shutdown is a lightweight utility that will turn off your computer in a flash. Careful when using it, as Instant Shutdown does not ask for any type of confirmation, and all unsaved work will be lost. Instant Shutdown does not generate any Windows improper shutdown error messages, so use it to replace the default windows shutdown option and save yourself 20 seconds.
Requirements
System requirements
Windows 7 / Windows Vista / Windows XP
Verdict
Should you download Instant Shutdown?
Instant Shutdown runs on
Windows 10/11
and is available under the
Freeware
license
— the installer is 100 KB.
We’ve catalogued it under
System.
✓
Verified clean. Every Instant Shutdown build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
Sponsored
At a glance
Instant Shutdown specifications
- Publisher
-
Zazub
- Last updated
- May 1, 2026
- Requirements
- Windows 7 / Windows Vista / Windows XP
- License
- Freeware
- Operating system
- Windows 10/11
- File size
- 100 KB
- Price
- Free
- Page views
- 995
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