IRIS Keytime Downloads

We will update this post with the latest numbers as updates are released. The version numbers are accurate as of 3rd December 2024.

Note: To obtain the latest update, please refer to the download links table at the bottom of this article.

The current version numbers for our software are:

  • IRIS Keytime Accountants’ Suite – v24.3.24 released December 2024
  • Compac (Accounts Plus) – v63S released April 2024
  • Payroll – v24.1.38 released May 2024

Compac update v63S

From time to time, the taxonomies used to facilitate online submission of accounts to Companies House and HMRC are updated to reflect changes in legislation and accounting standards. This update upgrades the taxonomy and allows you
to continue on-line filing with both HMRC and Companies House.

  1. Close Compac if it is running.
  2. Download and run Compac update v63S
  3. Follow the onscreen instructions, clicking Next when prompted.
  4. Open Compac – v63S is displayed on screen.

Note: This update must be applied to all machines that run the Compac software.


IRIS Keytime Accountants’ Suite includes the following:

  • Accountants Production (including Charity accounts)
  • Corporation Tax
  • Personal Tax
  • Trust Tax
  • P11D
  • Practice Manager (contains VAT Filer for MTD and Company Secretarial)

How do I find my version number?
You can check your current version in each program by going to Help | About

How do I update my software?
To update, ensure you have a backup of all your Keytime data and close all Keytime programs. You can find instructions on how to backup your data in our Backup article: Backing up your Keytime data

The steps you need to take are:

  1. Ensure that all Keytime programs are closed.
  2. Download the update file via the link towards the bottom of this article.
  3. Run the update and follow the on-screen prompts.
  4. Restart your PC if prompted.

IRIS Keytime Accountants’ Suite download

TypeVersion InstalledDownloadDetails
Full installv24.3.21Download and install v24.3.24Release notes
Full installv24.2.86Download and install v24.3.21Release notes
Full installv24.1.191Download and install v24.2.86Release notes
Upgradev24.1.178Download and install v24.1.191Release notes
Full installv23.4.14Download and install v24.1.178Release notes
Upgradev23.3.95Download and install v23.4.14Release notes
Upgradev23.3.84Download and install v23.3.95Release notes
Full installv23.2.43Download and install v23.3.84Release notes
Upgradev23.2.42Download and install v23.2.43Release notes
Full installv23.1.197Download and install v23.2.42Release notes
Upgradev23.1.170Download and install v23.1.197Release notes
Full installv22.3.54Download and install v23.1.170Release notes
Upgradev22.3.37Download and install v22.3.54Release notes
Full installv22.2.69Download and install v22.3.37Release notes
Full installv22.1.239(a)Download and install v22.2.69Release notes
Upgrade onlyv22.1.217Download and install v22.1.239(a)Release notes
Full installv21.4.30Download and install v22.1.217Release notes
Full installv21.3.58Download and install v21.4.30
Note: The 2022 Payroll is NOT included in this release.
The payroll download can be found at the bottom of this page.
Release notes
Full installv21.2.90Download and install v21.3.58Release notes
Full installv21.1.293Download and install v21.2.90Release notes
Upgrade onlyv21.1.253Download and install v21.1.293Release notes
Full installv20.3.135Download and install v21.1.253Release notes
Upgrade onlyv20.1.206 or aboveDownload and install v20.3.135Release notes
Full installv20.2.0Download and install v20.3.80Release notes
Upgrade onlyv20.1.206Download and install v20.2.125Release notes
Full installSpring 2020 releaseDownload and install v20.1.206Release notes

Payroll download

Download the payroll update – click here

Release notes – click here