Feature rich freeware shutdown timer on Windows XP and above.
Publisher’s description
What is SleepTimer Ultimate?
SleepTimer Ultimate is a proprietary program for Windows from Christian Handorf.
Installation and requirements
Official installers exist for 32-bit as EXE (Inno Setup). Installation asks for administrator rights. The installer supports unattended (silent) installation.
Pros / Cons
Pros
- Documented silent install
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
- 32-bit only
- Installation needs administrator rights
- No update for more than a year
In short: SleepTimer Ultimate is a Windows tool for 32-bit PCs. Updates have slowed down. Administrators can deploy it unattended.
Is SleepTimer Ultimate safe to download?
- The file is served by sleeptimer.net, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
2CE61660F392BDFA6C89A6BCBC168AF107529257973B6F0D489EEBD48C32A76F· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 1 versions ›| Version | Date | Size | Files |
|---|---|---|---|
| 2.5.1Latest | June 13, 2024 | — | 32-bit EXE (Inno Setup) |
Install from the command line
Silent install ›winget install --id SleepTimer.SleepTimer.Ultimate -esetup.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-Related guide: How to use winget: install and update apps
Information
- Publisher
- Christian Handorf
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- EXE (Inno Setup)
- Version
- 2.5.1
- Released
- June 13, 2024
- Added to the catalogue
- June 13, 2024
- Versions listed
- 1
- Website
- sleeptimer.net
- winget ID
- SleepTimer.SleepTimer.Ultimate
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is SleepTimer Ultimate free?
SleepTimer Ultimate is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is SleepTimer Ultimate safe to download?
The download comes from sleeptimer.net, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install SleepTimer Ultimate with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can SleepTimer Ultimate be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does SleepTimer Ultimate run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.