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OST 3.94 - 02 System Requirements and Installation Instructions

Reference Number: AA-00496 Views: 1971 Created: 01/26/2016 01:52 pm Last Updated: 01/24/2018 11:10 am 0 Rating/ Voters

If you haven't already installed the product, you'll have to start here.  Before installing On-Screen Takeoff, be sure your computer meets our System Requirements.  Keep in mind, the minimums necessary to run On-Screen Takeoff/Digital Production Control may not provide acceptable performance.

Read the Release Notes for this version (and previous versions, if you like).

See On-Screen Takeoff® Product Information and Downloads.

On-Screen Takeoff v.3.94 System Requirements

The most-current System Requirements & Recommendations can be found here: CLS - Classic System Requirements

Operating System


Windows® 10 Pro


Windows® 8.1 Pro

32 Bit and 64 Bit operating systems are Supported.

(Windows® 7 Pro is no longer under "Mainstream Support" with Microsoft and is not considered a "Supported" operating system any longer.)

CPU (Processor)


Intel Core i5 or faster


Intel compatible 1GHz processor or faster

Memory & Storage


8 GB RAM or more



1 GB Hard drive space (plus more for plans, projects)

Other Requirements

Minimum display resolution: 1280 x 1024

Internet connection required for licensing

Must be installed by Windows administrator

.net 3.5 required

Usually, if your PC is capable of running a supported version of Windows above, it should be able to run On Center's products.


Information on running OCS Products in an Apple environment can be found in: ALL - Using Apple hardware (a MAC) with On Center's Products.

To use the 'Price Using Excel' function, a fully-licensed , locally-installed version of Microsoft Office® Professional 2010, 2013, or 2016 must be installed.

SQL Server 2008 R2, 2012, and 2014 (full or express versions), see CLS - Using SQL with Classic Products for more information.


On Center Software tests our software in conjunction with products currently under "Mainstream Support" with Microsoft.  Once a version of Windows is 'retired' by Microsoft, On Center no longer tests or supports our software on that version.  See CLS - Product End of Life (Sunset Plan) for more information.

The minimum system requirements support basic functionality of On Center Software programs.  Actual requirements will vary, depending on your system configuration, other applications installed and running on your computer, the complexity of the electronic plans you use, and if you use the programs interactively.

If you are using a licensed version of On-Screen Takeoff, ensure you have your most current Activation Code(s) for the software (activation codes are version specific).  Then, download the software using the link provided by On Center Software, or visit the Product Information page, above.  Be sure to verify which version of On-Screen Takeoff your license supports before installing anything.

If you need your Activation Code(s) or have questions about which version of the software you should download/install, please contact Technical Support at 866-689-5687, or via e-mail at support@oncenter.com - be sure to include your name, Company name, and Client ID.


Save the downloaded installer file to your local hard drive (the desktop is a perfect place, it's easy to find the installer).

When the download is complete, double-click the installer file - the "InstallShield Wizard" starts.

Click Next on the Welcome Screen

Review and Accept the End User License Agreement and click Next

Enter in the user and company name to which you want this installation of On-Screen Takeoff registered (this shows up on the "Splash Screen" and is associated with your product license although this does not change license ownership in any way) and click Next


Choose Complete or Custom installation (the only time you need to select "Custom" is if you want to install to a directory other than the Windows default (C:\Program Files or C:\Program Files (x86)) and click Next

Click Install to continue with the installation - a progress screen displays

When the installation is complete, an information screen displays - review the information and then click Finish

A Web page opens explaining how to license your product.

You'll find the shortcut to On-Screen Takeoff on your desktop, double-click it to launch the program.

Users who have purchased On-Screen Takeoff need to license the product.  If you are using the free PlanViewer, you can skip to Quick Start Wizards

 Before You Dive In - The Very BasicsLicensing On-Screen Takeoff (Unlocking Full Functionality) 

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