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CAD tip CAD tip # 10084:

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Q - question

Error "Unsupported operating system" when installing Revit LT 2015.

A - answer The error message "Unsupported operating system" appears when attempting to install Revit LT 2015.

This is caused by using an unsupported or improperly emulated operating system (version). Revit LT 2015 supports the operating systems Windows 7 SP1 (except the Home version) 32-bit and 64-bit, plus Windows 8 64-bit (not the 32-bit version). It is also possible that you are running the Setup.exe in the compatibility mode (e.g. WinXP).
100% Win7,Win8  CAD 
5.11.2014    13769×  
Prices - CAD eShop:
applies to: Revit 2015 ·

See also:
Tip 12605:Script error (utag) when trying to log-in with your Autodesk ID.
Tip 11863:You cannot install this product on the current operating system.
Tip 10918:How to avoid (disable) automatic restart after Windows Update?
Tip 9991:Error: Key not valid for use in specified state
Tip 9493:Inventor or AutoCAD or ReCap "stopped working" on a computer with two graphics cards.

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