IRIS Accountancy Suite Support Downloads
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.NET 4.8 and MSVC 2019 notification
From October 2021 IRIS Accountancy Suite requires .NET 4.8 and MSVC 2019.
We recommend that you download and install .NET 4.8 and MSVC 2019 before installing the Autumn v21.3.0 release.
Microsoft .NET 4.8 can be downloaded from here.
MSVC 2019 can be download from here.
For brand new installations, please ensure to download and install SQL Server before starting the IRIS installation.
The SQL Express download can be obtained from here
Note: SQL Express - is available from Microsoft for free and is only recommended for use for up to 6 users. Full System Requirements can be found here.
To download and learn more about the limitations of SQL Express against the SQL Server Standard version, visit the Microsoft website here.
Detailed instructions for installing SQL (in the example) can be found here and instructions for installing IRIS can be found here.
Terminal Server/LPO Downloads
Both Terminal Server(s) LPO and the main IRIS installer must continue to be maintained at the same version and build number at upgrade time; the version and build number can be seen in any Help/About dialog.
To download LPO Installations please click here.
Please download the required release depending on which version is installed. To find the version installed, open IRIS and go to Help | About. The version will be shown on the right-hand side.
Full Install denotes a Full release that can be used for fresh installations and upgrades. All Full installs need to be upgraded in succession, it is not possible to skip any updates.
Upgrade Only denotes a Service Pack, used to upgrade existing installations.
We recommend that you review the Known Issues before installing the latest release of IRIS Accountancy Suite 188.8.131.52
Software versions prior to v18.1.0 are available here.
IRIS Anti - Money Laundering
|Full install||22.1.2||Download and install||Upgrades all previous versions|
IRIS VAT Filer
| IRIS Standalone VAT Filer|
(upgrades all previous versions)
|22.1.6||Download and install|| VAT Filer Help|
Making Tax Digital