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As of 31th Aug 2019 SuperSpice is FREEWARE

Before downloading any software you must read and agree to the EULA Licensing Agreement. 

License Agreement  

Download Instructions

The SuperSpice download  file is a self-extracting exe file. There are two versions:

1 Standard 32 bit compiled version - runs on both 32 bit and 64 bit systems.

2 64 bit compiled version - runs only on 64 bit systems, but handles much larger spice output files.

Once downloaded, double-click on the file named "SuperSpiceInstall.exe" or "SuperSpiceInstall64.exe" and the installation software will take you through the installation. 

Right click on the appropriate SuperSpiceInstall button and select "Save Target As".

64 Bit Version 4.45 - 16th July 2022      http://www.anasoft.co.uk/SuperSpiceInstall.exe


Legacy version:

32 Bit Version 4.45 - 16th July 2022      http://www.anasoft.co.uk/SuperSpiceInstall32.exe

See the SuperSpice installed help file for what's new.


Windows 8 - 10 - After install, it may be required to set file permissions on the "ProgramData" and/or the "ProgramData\AnaSoft" "C:\All Users\AnaSoft\" folders so that the program and user is allowed to write to that directory. Symptoms of write issues is the inability to save any of the example schematics. To do this, right click on the c:\ProgramData folder and select "Properties" and then select the "Security" Tab. Change permissions with the "Edit" button. Select "Users" and set the check boxes to allow full write access. It may also be necessary/wise to turn off that other Microsoft deliberate bug, UAC (user Account Control). That feature can cause files to be written to locations different form their real locations.

For existing version users:

Make sure that you keep a copy of your SuperSpice.pwd password file before it is overwritten with a new install to the same directory. Replace the installed demo password with your prior saved un-limiting password file.

If this is a new Install, you may also need to install the Microsoft Visual C++ 2008 Redistributable Package (x86) file vcredist_x86.exe for the 32 Bit version, or vcredist_x64.exe for the 64 bit version.

One of these packages will be required if a message appears when first running SuperSpice that it is unable to start. 

The appropriate files are included in the above SuperSpiceInstall.exe and SuperSpiceInstall64.exe and are placed in the main \AnaSoft\SuperSpice\ folder. Double-click on the file to run it.


If you install SuperSpice in a directory other then the default, take a note of it, so that you know where to put the password file.

Computer Requirements


SuperSpice can be rather thirsty memory wise for some output data files. The recommended minimum amount of free RAM is 256MB, however > 1GB is advisable for some long transient runs, e.g. XTAL (high Q) oscillators.. 

Hard Drive Space

Main install is around 75MB

Screen Resolution

Screen resolution should be set to the maximum possible. SuperSpice is set up on a 1280 by 1024 screen size. Screen resolutions below 1024 by 768 are not recommended.


It is not recommended to use a uP power of less then the equivalent of a P166.

System Support.

Whilst every reasonable effort has been made to ensure SuperSpice is able to run on most versions of MS Windows 95/98/ME/2000/NT/XP/Vista/Windows 7/Windows 8/Windows 10, it is not possible to guarantee that SuperSpice will run on all software and hardware system configurations. Various incompatibilities are possible, e.g. video cards/drivers, printers/drivers, which might cause SuperSpice to run incorrectly or not at all. You are advised to ensure that SuperSpice will perform adequately on your particular system prior to making a purchase commitment.

You are advised to run the examples to ensure that your particular system runs SuperSpice correctly. 

Technical Questions/Install Problems

If you have any issues in installing or running the examples, email:

About AnaSoft 

We will get back to you as soon as reasonably possible. 


Copyright AnaSoft Ltd 1996 - 2022

This web site was last updated: 16/07/2022