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Windows 7: upgrade to 64bit without format

26 Nov 2010   #1

Windows 7 Ultimate 32-bit Operation System
upgrade to 64bit without format

can i upgrade my windows 7 from 32bit to 64bit, without format?

My System SpecsSystem Spec
26 Nov 2010   #2
mickey megabyte

ultimate 64 sp1

the simple answer?

My System SpecsSystem Spec
27 Nov 2010   #3
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate

Hello bronho, welcome to Seven Forums!

There is no upgrade path from 32-bit to 64-bit, it will have to be a clean install; after you have made backups of anything you want to save to external media from the Hard Disk Drive, the best way to proceede is to do a wipe (secure erase) of the entire HDD; have a look at these tutorials at the links below and be sure to post back with any further questions you may have and to keep us informed.

Backup User and System Files

SSD / HDD : Optimize for Windows Reinstallation

How to Do a Clean Installation with Windows 7
My System SpecsSystem Spec
27 Nov 2010   #4

Windows 7x64 Home Premium SP1

At the risk of stating the obvious - don't forget to deactivate your paid for 3rd party applications. They will need to be reinstalled and reactivated.
My System SpecsSystem Spec

 upgrade to 64bit without format

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