The easiest way to get technical support for any of our products is by sending an e-mail to our support department:
You will always receive a reply within 24 hours. Bug reports are given a high priority - usually an update is available within one week.

CleWin 5.4 update

CleWin 5.4 is a free minor update for educational institutes and for commercial customers with a support and update contract. Educational institutes can download the installer below. Please note that you can choose between a 32-bit and a 64-bit version of the software.

CleWin 5.4 32-bit Update 32-bit CleWin 5.4 update (Updated: March 3, 2018, Version 5.4.0)
CleWin 5.4 64-bit Update 64-bit CleWin 5.4 update (Updated: March 3, 2018, Version 5.4.0)

The zip archive only contains a single file: the update utility that will install CleWin 5.4. DO NOT UNINSTALL YOUR CURRENT 5.X VERSION OF CLEWIN. You may uninstall the previous version after installation of version 5.4.


The DEPLOF font was designed by David Elata (MEMS Lab, Technion, and kindly provided for other users of CleWin. The font will significantly reduce file sizes and is designed to prevent small features (e.g. the two islands inside an etched '8') to fly off during sacrificial release.

DEPLOF font (Updated: January 13, 2012)

Matlab toolbox

This toolbox was created my Marcel Dijkstra (University of Twente, If you are using Matlab scripts in CleWin you will certainly appreciate it. Please note that this version of the toolbox requires CleWin version 4 pro, 5.0, 5.1 or 5.2. An updated version of the toolbox is included with CleWin 5.3 and later.

Matlab toolbox (Updated: February 19, 2009)

Matlab toolbox 64-bit (Updated: March 20, 2011)
The 64-bit version of the toolbox, needed when you have a 64-bit version of Matlab.

Minor updates to earlier versions of CleWin

Registered users of CleWin are usually entitled to free updates. Just select the appropriate link below. To install an update unpack the zip file into the CleWin installation folder, replacing the already installed files by the updated versions.

CleWin 5.x Update CleWin 5 update (Updated: June 13, 2015, Version 5.2.3)

Bitmap import utility Bitmap import utility (Requires CleWin version 5.0, 5.1 or 5.2, Updated: June 16, 2012)

GDS inspector utility GDS inspector utility (Requires CleWin version 5.0, 5.1 or 5.2, Updated: June 16, 2012)

CleWin 4.x PRO Update CleWin 4 PRO update (Updated: March 20, 2011, Version 4.3.7)

CleWin 4.x Update CleWin 4 update (Updated: March 20, 2011, Version 4.3.7)

User manual CleWin 4 user guide (Updated: March 20, 2008)

CleWin 3.x Update (Updated: Oct. 16, 2006, Version 3.2.2)

CleWin 2.x Update (Updated: January 23, 2004, Version 2.91)

Please note that you either need a valid registration file in the CleWin program folder or a Codemeter dongle from PhoeniX BV for otherwise the software will not work.