A: Yes, if you have a non-expiring commercial license. You must "Deactivate" the license on the old PC (via Help > License Management) before installing on a new PC. Deactivation is limited to 5 times per year.
No. EViews 12 is a proprietary commercial software. There is no "free" permanent download link. However, a fully functional 30-day trial version is available from the official vendor. eviews 12 enterprise edition download link
If you are looking for the official EViews 12 Enterprise Edition download link, it is hosted exclusively on the IHS Global Inc. customer portal. A: Yes, if you have a non-expiring commercial license
Official Download Portal: eviews.com (Customer Login required) If you are evaluating the software for academic
If you are evaluating the software for academic or professional use, IHS Global offers a 30-day trial of EViews 12 Enterprise Edition.