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windows7
If you're unsure whether your
current system can run Windows 7, download and run
Microsoft's
Upgrade Advisor to assess your hardware's capabilities. When I ran it
on an aging XP laptop, it told me I needed to back up my files and perform
a Custom installation (see below), that my hard disk didn't have enough
free space (you need 16GB), and that the laptop wouldn't run Aero Desktop.
The good news, however, was that my 1.6-GHz CPU and 1.5GB RAM were
sufficient. The advisor actually checks a lot more than the basic system
requirements, and it lists every piece of hardware and software you have
installed at the bottom of its report.
If you want to run Windows 7 on your PC, here's what it takes:
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1 gigahertz (GHz) or faster 32-bit (x86) or 64-bit (x64)
processor |
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1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit) |
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16 GB available hard disk space (32-bit) or 20 GB (64-bit) |
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DirectX 9 graphics device with WDDM 1.0 or higher driver |
Additional requirements to use certain features:
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Internet access (fees may apply) |
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Depending on resolution, video playback may require additional
memory and advanced graphics hardware |
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For some
Windows Media Center functionality a TV tuner and additional
hardware may be required |
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Windows Touch and Tablet PCs require specific hardware |
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HomeGroup requires a network and PCs running Windows 7 |
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DVD/CD authoring requires a compatible optical drive |
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BitLocker requires Trusted Platform Module (TPM) 1.2 |
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BitLocker To Go requires a USB flash drive |
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Windows XP Mode requires an additional 1 GB of RAM, an additional 15
GB of available hard disk space, and a processor capable of hardware
virtualization with Intel VT or AMD-V turned on |
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Music and sound require audio output |
Product functionality and graphics may vary based on your system
configuration
Choose an Edition
There are lots of different
editions of
Windows 7, but only three you can buy: Home
Premium, Professional, and Ultimate. For most people, Home Premium will
make the most sense. If your company decides to upgrade, Professional
supports domain joining, network backup, and XP emulation. Ultimate
includes everything in both other versions, and adds
BitLocker encryption.
The key thing to consider here is that you have to do a
clean installation—without the ability to carry your apps along—if you
move from one level of Vista to another level of Windows 7, say from Vista
Home Premium to Windows 7 Professional. The exception is Windows 7
Ultimate, which will let you perform an in-place upgrade from any level of
Vista—as long as you don't change whether you're using the 32- or 64-bit
version.
Don't forget to look into
special pricing offers, such as those for students and family packs. And
if you're installing on a machine you've freshly built, you can pay less
for
OEM versions that don't include all the
packaging and support. The
Student upgrade license is just $29.99, and PC part suppliers offer
the OEM versions at steep discounts as well.
Choose 64-bit or 32-bit
Any computer manufactured in the last few years will
probably have a 64-bit capable CPU. The rule of thumb is that if you have,
or intend to install, more than 3GB of memory on your PC, you want 64-bit
Windows.
And don't worry about your
old 32-bit programs—compatibility features inside Windows allow most of
these to run in the 64-bit OS, the exceptions generally being antivirus
software and hardware drivers. One significant holdback, however, is
Adobe's Flash: If you run the 64-bit version of
Internet Explorer that comes with Windows 7,
you won't be able to view Web sites that use Flash. But there's an easy
fix: Run 32-bit IE for those sites until Adobe gets with the program.
Both 32- and 64-bit
installation discs come in the
Windows 7 box, so you only have to specify
which you want if you're downloading the code. In short, my recommendation
is that if your system can run 64-bit software, go for it: You'll be using
your CPU and memory more efficiently, and you'll be future-proofed for
upcoming 64-bit apps. —next:
Back Up Your Data >
First, you state that "The key thing to consider
here is that you have to do a clean installation—without the ability
to carry your apps along—if you move from one level of Vista to
another level of Windows 7, say from Vista Home Premium to Windows 7
Professional." Not entirely true. I have two Vista laptops - a 64 bit
Vista Home Basic and 64 bit Vista Home Premium. I will be updating the
64 bit Windows 7 Home Premium on both. The Windows 7 chart, which you
can find on the Windows Upgrade page, clearly shows that since I'm going
64 to 64 on the Vista Home Basic, I can do a straight install. I would
only be if I went from 32 to 64 where I would have to do it clean.
And to "renadev" who asked, "only two months before i purchased my acer
aspire lap top..it is running with wista..now i like to upgrade it to
windows7...without charge how i will get w7"
Turn on your computer so that
Windows starts normally. (To perform an upgrade, you can't start, or
"boot," your computer from the Windows 7
upgrade disc or downloaded Windows 7
installation file.)
After Windows has
started, do one of the following:
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If you purchased and downloaded
Windows 7 online, browse to the
installation file you downloaded, and then double-click it. |
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If you have a Windows 7
installation disc, insert the disc into your computer. Setup should start
automatically. If it doesn't, click the Start
button, click Computer, double-click your DVD
drive to open the Windows 7
installation disc, and then double-click setup.exe. |
On the Install
Windows page, click Install now.
On the Get important updates for
installation page, we recommend getting the latest updates to help
ensure a successful installation and to help protect your computer against
security threats. You need an Internet connection to get installation
updates.
On the Please read the license terms
page, if you accept the license terms, click I accept the
license terms.
On the Which type of installation do you
want? page, click Upgrade to begin the
upgrade. You might see a compatibility report.
 The
Which type of installation do you want? page
Follow the instructions to finish installing
Windows 7.
When you choose Custom, you install a new copy of
Windows on the partition you select. This
erases your programs and settings. Back up any files and settings you want to
keep so that you can restore them after the installation. You must manually
reinstall your programs when the installation is done.
In some countries or regions, if you purchase and download
Windows 7 online from the Microsoft Store,
you can download a tool from Microsoft that transfers the
Windows installation file to a USB flash
drive and makes the flash drive bootable. For more information about the
options available in your country or region, go online to the
Microsoft Store.
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Turn on your computer so that
Windows starts normally, then do one
of the following:
 |
If you purchased and downloaded
Windows 7 online, browse to the
installation file you downloaded, and then double-click it. |
|
If you have a Windows 7
installation disc, insert the disc into your computer. Setup should
start automatically. If it doesn't, click the Start
button, click Computer, double-click your DVD
drive to open the Windows 7
installation disc, and then double-click setup.exe. |
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On the Install
Windows page, follow any instructions that are displayed, and
then click Install now.
-
On the Get important updates for
installation page, we recommend getting the latest updates to help
ensure a successful installation and to help protect your computer against
security threats. You need an Internet connection to get installation
updates.
-
On the Please read the license terms
page, if you accept the license terms, click I accept the
license terms.
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On the Which type of installation do you
want? page, click Custom.
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On the Where do you want to install
Windows? page, do one of the
following:
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If you don't want to specify a specific partition to
install Windows on, or create
partitions on your hard disk, click Next to begin
the installation. |
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If you already have another existing partition with enough
free space and want to have more than one operating system on the same
computer, you can install Windows on
that partition. This is called a dual-boot or multiboot configuration. (If
you do this, be sure to install Windows
on a different partition from the partition where your current version of
Windows is installed.) Select the
partition you want to use, and then click Next to
begin the installation. |
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If you want to create, extend, delete, or format a
partition, click Drive options (advanced), click
the option you want, and then follow the instructions. Click
Next to begin the installation. (If the
Drive options (advanced) option is disabled, you
need to start your computer using the installation disc or USB flash drive
if you downloaded and purchased Windows 7
online.) |
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Follow the instructions to finish installing
Windows 7.
Warning
If you delete or format a partition that contains a
version of Windows, all data on the
partition is permanently deleted. However, if there is an existing copy
of Windows on the partition you
selected, but you do not format or delete the partition, user files are
saved to a Windows.old folder on the
partition. However, you should still back up your user files before
performing a custom installation. For example, if you have encrypted
files, you might not be able to access them after installing
Windows. If you’ve backed up your
user files and then restored them after installing
Windows, you can delete the
Windows.old folder.
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