Even though you have 32 Bit Host OS and VMware Workstation on your physical computer you can install 64 Bit Guest operating systems after following check. This article explains how to check and Install 64 Bit Guest OS on 32 Bit VMware Workstation
UPDATE- Corrected on 11-07-2010
Sorry friends, I was wrong on this topic. To run 64 Bit guest OS on 32 Bit host under desktop Virtualization products, you processor must support VT also. Continue reading……
Do you like to run Windows 2008 R2 or Windows 7 64 Bit on your 32 bit host operating system? Then use following tool and maker sure your computer processor supports 64 Bit architecture and Virtualization Technology (VT). I tried to find out whether 64 Bit architecture can be changed in motherboard BIOS (AWARD) but it’s not possible.
To disable or enable VT on BIOS read this post.
Download Intel processor utility by using this free tool from Intel Site.
Above screen indicates this host can have 64 bit OS because VT and 64 Bit enabled.
How to install 64 Bit Guest OS in 32 Bit Host OS Using VMware?
Once the processor test result is ‘Yes’, select the 64 Bit Guest OS from the list in VMware.
If 64 Bit not supported on your host then following message will appear.
Once all set to start the 64 Bit guest OS, go to ‘Customize Hardware’ or ‘Edit virtual machine settings’, then select ‘Processors’. If your processor is dual core, then you can select two in number of processors. In the Preferred mode, better to leave it as ‘Automatic’, so VMware will adjust the processor mode as per guest operating system’s requirement.
Now, start the 64 bit guest OS installation in 32 B it host OS VMware, it will start and work fine.