All versions of VMS compatible with Windows 7, Vista and XP (even Windows 2000, but if you're using 2000 you should probably move on)! VMS (SVE) is available for purchase on-line (immediate use). Your secure purchase is processed through PayPal. After your PayPal transaction is confirmed you'll be directed to a download link. You may begin using VMS immediately. VMS (SVE) can also be purchased from Landfall Navigation, in Stamford, CT (1-800-941-2219). To download VMS (SVE) a high speed Internet connection is advised. The purchase price for VMS (SVE) is $99.00. A 6% sales tax will be added to residents of Florida. You may purchase now by clicking the Buy Now button below.