Calculate a new checksum for a given PE image. This is needed for device drivers since Windows NT checks the checksum before loading the driver.
Publisher’s description
What is CheckSum?
CheckSum by the sz development is proprietary Windows software.
Installation and requirements
The publisher provides Portable installers for 32-bit Windows. The main installer is 13 KB. It runs without installation (portable).
Pros / Cons
Pros
- Portable: runs without installation
- Small download (13 KB)
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
- 32-bit only
- No update for more than a year
In short: CheckSum is a Windows tool for 32-bit PCs. Updates have slowed down.
Is CheckSum safe to download?
- The file is served by the-sz.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
06B5D5D1E5365CE48965609E9978284F67E55AA2BFF9650F026A149E936AEA5E· 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 |
|---|---|---|---|
| 1Latest | February 16, 2023 | 13 KB | 32-bit ZIP |
Install from the command line
Silent install ›winget install --id the-sz.CheckSum -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- the sz development
- Licence
- Copyright © the-sz.com
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- Portable
- Version
- 1
- Released
- February 16, 2023
- Added to the catalogue
- February 16, 2023
- Versions listed
- 1
- Website
- the-sz.com
- winget ID
- the-sz.CheckSum
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is CheckSum free?
CheckSum is proprietary (closed-source) software (licence: Copyright © the-sz.com). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is CheckSum safe to download?
The download comes from the-sz.com, 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 CheckSum 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.
Does CheckSum run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Can I use CheckSum without administrator rights?
Yes, it is portable: unpack and run it.