Satellite L635 - how to change Windows 7 32 bit to 64 bit?

Need help.

Satellite L635 bought a few months ago with Windows 7 Home Premium installed on the HARD drive. When the first time activate Windows, I can choose 32-bit or 64-bit Windows, then I chose Windows 7 32 bit.

Can I switch my laptop RAM 4 GB, 2 weeks ago. And I come to know that windows 7 32 bits can not read more than 3 GB of RAM. Only windows 7 64 bit can read more than 3 GB.

My question is, how do I change from 32-bit to 64-bit Windows because toshiba gave me Windows 7 install CD / DVD. Windows has already been installed on the HARD drive.

Thank you.

Hello

> because toshiba gave me Windows 7 Installer CD / DVD
Yes, because you must create this disk yourself using pre-installed recovery media creator. But I m wondering why ask this question here because it s mentioned in the user manual you must create this disk as soon as possible. If HDD recovery would fail or install another OS, you need this CD to restore preinstalled settings of Toshiba.

If you use the (boot from it) Toshiba Recovery disk, you should be also asked if want to 32-bit or the 64 bit version of Windows 7. So I recommend creating these discs and use it to install Windows 7 64 bit.

Check this box!

Tags: Toshiba

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