微軟曾在12月10向各個OEM合作夥伴發佈了一份關於Windows 7的技術保障規劃草案，允許OEM廠商提供給用戶從正版Vista到Windows 7的升級。目前該規劃的正式定名還沒有確定，微軟暫時用「Windows 7升級計劃」來指代這個Vista到Windows 7的升級項目，該方案將在1月10日正式發佈。
| Program Eligibility Period
- Windows Vista PCs preinstalled with qualifying software must be purchased by end users between these dates.
- OEMs may choose to offer a shorter program period within the allowed date range. | July 1, 2009 through TBD |
| Program Calculation Period
- The total number of eligible Windows Vista Certificates of Authenticity (COAs) invoiced to an OEM during the Program Calculation Period, multiplied by 20%, determines the number of program upgrade media that can be purchased by OEM through Microsoft ARs.
- End of Program Calculation Period will be 90 days prior to the end of Program Eligibility Period. | April 1, 2009 through TBD |
| Initial Upgrade Media Fulfillment Date
- Date on which OEMs may start shipping upgrade media to Qualifying End Users. | Windows 7 General Availability Date |
| Final Software Fulfillment Date / Program End Date
- Date by which upgrade media must be shipped for Qualifying End Users’ upgrade orders.
- Microsoft recommends that OEMs establish and communicate to their customers a final submission date to ensure fulfillment by the Program End Date. | TBD |
詳見 www.techarp.com
