LTspice® is a powerful, fast, and free SPICE simulator software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits. Its graphical schematic capture interface allows you to probe schematics and produce simulation results, which can be explored further through the built-in waveform viewer.
Publisher’s description
What is LTspice?
LTspice is a free program for Windows from Analog Devices Inc..
Installation and requirements
Official installers exist for 64-bit as MSI. The main installer is 1 KB. It can be installed for the current user only, without administrator rights. The installer supports unattended (silent) installation. An MSI package is available for deployment with Group Policy, Intune or Configuration Manager.
Updates and version history
The current version is 26.1.1.2, released on October 22, 2026. 6 versions are listed since May 27, 2025, each with links to its own installer files. That is about 4.3 releases a year. The last update is less than a month old.
Popularity and file types
On Windows it registers 8 file types, including .asc, .res, .asy, .bead and .bjt.
Pros / Cons
Pros
- Free to use
- MSI package for managed deployment
- Documented silent install
- Installs without administrator rights
- Updated in the last two months
- Small download (1 KB)
Cons
- No native ARM64 build
In short: LTspice is a free Windows tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is LTspice safe to download?
- The file is served by ltspice.analog.com; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
F22163F15420E43A2D5C66440E038EF031A9F019A181F396B95EDCEF5EEBC357· 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 6 versions ›6 versions over 1 year · about 4.3 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 26.1.1.2Latest | October 22, 2026 | 1 KB | 64-bit MSI64-bit MSI |
| 26.0.2.1 | May 7, 2026 | — | 64-bit MSI |
| 26.0.1.0 | December 15, 2025 | — | 64-bit MSI |
| 26.0.0.3 | November 30, 2025 | — | 64-bit MSI |
| 24.1.10.4 | November 12, 2025 | — | 64-bit MSI |
| 24.1.9.1 | May 27, 2025 | — | 64-bit MSI |
Install from the command line
Silent install ›winget install --id AnalogDevices.LTspice -emsiexec /i LTspice64.msi /qn /norestartmsiexec /x {A8A525C8-9CE0-4C0C-AF60-F66B108238B9} /qn /norestartRelated guide: How to use winget: install and update apps
Information
- Publisher
- Analog Devices Inc.
- Licence
- Freeware
- Price
- Free
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- MSI
- Version
- 26.1.1.2
- Released
- October 22, 2026
- Added to the catalogue
- May 27, 2025
- Versions listed
- 6
- Updates / year
- 4.3
- winget ID
- AnalogDevices.LTspice
- MSI product code
- {A8A525C8-9CE0-4C0C-AF60-F66B108238B9}
File types it opens (8)
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is LTspice free?
Yes. LTspice is free to use.
Is LTspice safe to download?
The download comes from ltspice.analog.com; 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 LTspice 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 LTspice be installed silently?
Yes. The silent install page lists the exact command for each installer, including msiexec for the MSI package.
Does LTspice run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of LTspice?
The versions page lists all 6 versions with links to their official installer files, back to May 27, 2025.
Can I use LTspice without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.