It's also well documented that many 3rd party security choices (AV/IS suites) doesn't work properly with 8 RP, or only partially works, which may be worse than having it installed. Some, but not all, devices & software on today's market was built/developed long before Win 8 DP was in use, nearly a year ago. Because there's no guarantee that software/hardware sold today will be fully compatible with Win 8 RP, as well as the final Retail version. In addition to my post above, except for bare necessities, it's would be good practice to avoid buying anything other than what's needed for the computer to operate. This is an often overlooked issue on Win 8 RP installs, & a needed feature for backwards compatibility for Windows 7 & below devices/software to operate.

Make sure to allow for Windows Update to retrieve these files for installation. It's required for my webcam software on both my desktop & notebook to work. NET 2.0) turned on, it's at the top of this list (by default, it's not turned on). One last issue that comes to mind, & this is necessary for many things to work on Win 8 RP, type in 'Turn Windows Features on or off' w/o the quotes (in the Control Panel). And make sure that Microsoft Update is installed, not just Windows Update. One other thing, check the Action Center, sometimes the option to 'Finish installing device software' will be there.

Has the automated compatibility troubleshooter appeared when trying to install? If Win 7 compatibility doesn't work, try Vista, making sure to do as Administrator (Properties > Compatibility), in the software's details. Ted is correct, oftentimes Compatibility mode does wonders.

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