the biggest disadvantage, is that you cannot do an upgrade. You have to do a clean install (although i always recommend doing a clean install when upgrading OS)
Not every device will have an x64 driver. Make sure all your peripherals do (by now almost all modern hardware does)
Programs w/ a 16-bit installer will not install
You can use more than 3.5 gb of RAM
x64 programs like Photoshop will run a bit faster.
Security features will be better, and tougher
x64 OS has hardware-backed DEP (x32 only has software DEP) (Data Execution Prevention )
the upgrade will leave old parts of Vista on your PC that aren't used. These can be random .dll files, registry keys, ect. that you may not notice.
The problem can be, is that they may one day conflict w/ your OS, or they may slow the computer down. The more stuff on an OS, the slower it will get.
Doing a fresh install is also the best way to make sure that you don't have any old drivers that will conflict.
when i upgraded. I left vista on one HD and installed Win7 on another (i have a desktop where i can easily add a hard drive. you may just want to create a partition).
this is useful so that you can make sure that you don't accidentally delete anything important that you may have.
+2 x86 is close to being a dead end, rumour is that Win8 and all future Microsoft Office Suits will only be x64.
I hope its not true.
My laptop is 3 years old, and originally came loaded with with Windows XP Media Center Edition 2nd ed.
it has an intel dual core T2500 cpu running 2 ghz, 320gb sata drive, 2GB ddr2 ram - 32bit only no 64 bit support.
Video is Geforce2go 7600, way better than any integrated intel graphics stuff, even on current laptops of today.
Guess what, windows 7 runs like a champ, so does the adobe creative suite & office 2007. and Windows 8 should be even leaner & meaner and still run it all!!!
nothing annoys people more than unnecessary strong armed obsolescence.
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