Product Information Installs on Windows 11 Windows 10 Windows 8.1 Windows 7  Includes: New Microsoft Visio Professional 2007 DVD WITH Permanent License key as shown. Can be installed on 3 Pc's  RETURN POLICY Software, CDs, DVDs and video games may be returned for a full refund if in the original, unopened packaging within 30 days of purchase. Opened software,CDs, DVDs and video games may be exchanged for the same item only if defective. Software returned opened used or unsealed,will be charged a 15-50% as we cannot resell the software as new.