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Step 1
Make sure you have enough RAM and hard disk space to run Vista. Computers with less than 2 megabytes of RAM and 120 gigabytes of space usually run into problems with slowdowns and lockups.
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Step 2
Download and run the Vista Upgrade Advisor, which can be found on Microsoft's website. This handy tool will analyze what's installed on your PC and warn you of possible hardware and software conflicts before you install the new operating system.
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Step 3
Check out hardware manufacturers' websites for updated versions of their software that are compatible with Vista. Most of the common errors occur when Vista cannot find the proper drivers for audio, printers and other peripherals that need to be updated.
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Step 4
Write down any error code that appears when Vista starts rebelling. Then either contact customer support for the software or hardware you're trying to install or consult the Microsoft Knowledge Base to find the solution. A link to the knowledge base can be found below.
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Step 5
Upgrade or uninstall software that is "Vistaphobic." You can probably find newer versions of the software on the companies' websites. Some of the more common incompatibilities are found in CD creation software, some games and some outdated utility programs.
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Step 6
Set up Vista for automatic updates. Also check the Microsoft update website for any new drivers for hardware or software installed on your computer. Many of these "optional" updates won't be installed automatically, so check often.
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Step 7
Use the Windows Vista Disk Cleanup utility to wipe any fragments or stray files left behind by installation or other programs. Sometimes these files can cause conflicts or slow down your computer.
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Step 8
Check to see what programs load when Vista boots up. Consider disabling those that don't need to be running by either deleting them from the Windows startup menu or by deleting the programs entirely.
