How to download and install the software

Full and unlimited versions for a free 30-day trial.

How to download ACCA software solutions for a 30-day trial period.

To download and use the software for free for 30 days, simply follow these easy steps:

  • Access
  • Click on the software of choice to use for free.
  • Accept the software terms and conditions of use
  • Check the Notice on the right-hand side and whether your PC has the minimum HW requirements for installing the software.
  • Click "Download Trial version".
  • Log in with your ACCA account e-mail address and password or create one.
  • Confirm the download process.
  • Complete the download

How to install an ACCA software solution for a 30 day trial.

Once the chosen setup file is correctly downloaded, proceed to installing the 30-day trial as follows:

  • Double click on the downloaded setup file (bottom left corner of the browser bar or default download folder)
  • Choose your preferred install path or accept the proposed default folder.
  • Press the "install" button
  • Wait for the install process to finish.
  • Restart your pc when prompted.
  • Now launch the software by clicking on the program’s desktop icon or from the ACCA folder under Windows Programs.
  • Login to the software with your ACCA account e-mail address and password to activate the free 30-day use period.

Please remember that:

  • You can use ACCA software trial versions freely for 30 days.
  • You can subscribe at any time during the free use period directly from the software or from the ACCA e-commerce online store.


No, software subscription plans are only activated when the user decides to purchase a subscription plan and are never activated automatically at the end of the free 30-day trial period or after installation.

No, you cannot use the same account to run a free software trial on another PC or activate a new trial with another ACCA account on the same PC.

Yes, you can certainly try launching the software as "administrator". Simply do a right mouse button click on the program icon and select “Run as Administrator” from the pop-up menu.

  • Access the "Control Panel"
  • Access the "Programs and Features" folder
  • Select the program to uninstall
  • Press the right mouse button and select the uninstall option from the local menu

Our software setup procedure allows you to use a specific parameter once you have downloaded the installation package. Network Admins can follow this simple guide to install any of our BIM solutions on multiple PCs.

  • First of all download the setup package here (we're considering usBIM.Viewer+ in this case but it's valid for any ACCA software solution):
  • Then, instead of launching the setup directly, click on the: "Do you want to create a setup Package for a different PC", option. Create setup Package for different PC | ACCA software This will dump the entire setup package in the default folder: C:\ACCA\SETUP\usBIM.viewer+
  • Now run the install process using the "-SILENTMODE" parameter in the "RUN" (Windows key+"R") dialogue as follows: C:\ACCA\SETUP\usBIM.viewer+\Setup.exe -SILENTMODE the Installations will launch but default install path and settings will be used: C:\ACCA\usBIM.viewer+
  • You'll notice that there's no need to assist the install process and once completed, the software will be ready for you to use with a double-click on the relating program desktop icon.