Can Windows OS be shifted to 64bit?

Original article is here.

Original Post date: November 17, 2007

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The hardware of high-end PC can be shifted to 64bit environment at any time.
Windows is still 32bit though UNIX and Mac OS X have shifted to 64bit.

If, it is necessary to replace OS to do present 32bit Windows to 64bit. However, because the correspondence of the driver and the application is late, 64bit Windows cannot be shifted.

Windows Vista operates without trouble if there is a memory of 2GB. It is unquestionable for usual application software if there is an amount of the memory from 3 to about 4GB.
However, the application software in the future will become insufficient in 4GB.
It is near.

The opinion said enough with Windows XP is abundant. It is true when thinking about average user’s usage.
However, the change time of OS etc. was always said as for the opinion said enough by **.
If it is believed, 8MHz machine of MS-DOS might have kept still being used.

The development of the entire industry will not be able to hope the manufacturer like Microsoft that can say the leader of the industry shifts positively to 64bit of PC to pull performance improvement if it doesn’t take a measure.

If this movement is missed, it might be also near that the hegemony is grasped by the other companies such as Apple.