There are two 'switches' that can be thrown to enable a 32-bit system / app to use a maximum of 3Gb RAM.

To enable the 3GB switch on Windows Vista™

1. Right-click Command Prompt in the Accessories program group of the Start menu. Click Run as Administrator.
2. At the command prompt, enter "bcdedit /set IncreaseUserVa 3072"
3. Restart the computer.

To turn off the 3GB switch

1. Right-click on Command Prompt in the Accessories program group of the Start menu. Click Run as Administrator.
2. At the command prompt, enter "bcdedit /deletevalue IncreaseUserVa"
3. Restart the computer.

For more information on the 3GB switch, refer to the following Microsoft MSDN article:

http://msdn2.microsoft.com/en-us/library/ms791558.aspx

It is then necessary to make the app 'large address aware', but since this was already enabled for Poser 7, it's probably also true of Poser 8.

All this is, of course, at your own risk!

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Windows 10 x64 Pro - Intel Xeon E5450 @ 3.00GHz (x2)

PoserPro 11 - Units: Metres

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