System requirements and installation

System requirements
Installation
Updating the software
Uninstall
Remove related files

System requirements

Sigma will run on a PC that meets the following requirements

OS	Windows 7 or later (64bit)
CPU	Intel Core2duo or higher, or a processor with equivalent performance (1GHz or higher recommended)
Memory	2GB or more recommended
Others	Internet connection or USB port for authentication

Installation

Download the installer from http://www.iiu.co.jp/seihin_software.html
Double-click on the downloaded installer.
Follow the instructions in the installer to complete the installation.

Updating the software

Method 1: Update from within Sigma

Select "Check Update" from the Info button on the toolbar. If there is an update, agree to the update and the software will start downloading.

Method 2: Update with the installer

Download the latest installer from Sigma product page
If Sigma is running, close it.
Double-click the installer and follow the instructions on the screen to update the software. The data stored in Sigma will be inherited.

Uninstall

Select Sigma from Apps & Features in Settings of Windows and uninstall it. Note that Sigma's configuration files, record database, and other files will not be deleted by this operation, and can be restored to their original state by reinstalling the software. To remove these files completely, please see the section on Remove related files.

Remove related files

Configuration files, record databases, etc. are stored in the folder "User > User Name > AppData > Roaming > jp.co.iiu.sigma". By deleting the "jp.co.iiu.sigma" folder, you can delete all the files related to Sigma.

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