IRIS Accountancy Suite Support Downloads
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.NET 4.6
From October 2017 IRIS will require .NET 4.6. It is recommended that you download and install this version ahead of the October update. Microsoft .NET 4.6 can be downloaded from here.
New Installations
For brand new installations, please ensure to download and install SQL Server before starting the IRIS installation.
SQL Express 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.
IRIS Installations
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 20.1.5
Software versions prior to v18.1.0 are available here.
| Type | Version Installed | Download | Details |
| Full Install | Upgrades 20.2.0 | Download & Install v20.3.0 | What's New in v20.3 |
| Full Install | Upgrades 20.1.0 and service pack releases | Download & Install v20.2.0 | What's New in v20.2 |
| Upgrade Only | Upgrades 20.1.0 release | Download & Install v20.1.5 | Release Notes |
| Full Install | Upgrades any 19.3 release | Download & Install v20.1.0 | What's New in v20.1 |
| Full install | Upgrades any 19.2 release | Download & Install v19.3.0 | What's new in v19.3 |
| Full Install | Any 19.1.x release | Download & Install v19.2.0 | What's new in v19.2 |
| Upgrade only | 19.1.0.729 or 735 or 737 or 19.1.1 | Download & Install v19.1.2 | Release Notes |
| Full Install | 18.3.0 or 18.3.1 or 18.3.2 | Download & Install v19.1.0 | Full Features in 19.1 |
| Full Install | 18.2.0 or 18.2.1 | Download & Install v18.3.0 | What's new in v18.3 |
| Full Install | 18.1.0 or 18.1.1or 18.1.2 | Download & Install v18.2.0 | What's new in v18.2 |
| Full Install | 17.3.x | Download & Install v18.1.0 | What's new in v18.1 |
IRIS Anti - Money Laundering
| Type | Version | Download | Details |
| Full Install | 20.3.3 | Download & Install | Upgrades all previous versions |
IRIS Docs
| Type | Version | Download | Details |
| Full Install | 6.16 | Download & Install | Release Notes |
For further details and support on upgrading IRIS Docs, visit the IRIS Help Centre.
For the latest System Requirements, click here.
IRIS VAT Filer
| Type | Version | Download | Documents |
| IRIS Standalone VAT Filer (Upgrades all previous versions) | 20.1.0.7 | Download & Install | VAT Filer Help Making Tax Digital |
