Legacy Systems:

These legacy systems scratch Windows 7 32 Bit minimum hardware requirements… In most cases they will be unable to run Windows 8.1 32 Bit, Windows 7 64 Bit and Windows 8.1 64 Bit Operating System. As their overall hardware is ageing they are not worth the price of an upgrade license…

• XPS M140 – Windows 7 32 Bit (Late 2005)
• XPS M170 – Windows 7 32 Bit (Late 2005)
• Inspiron XPS Generation 2 – Windows 7 32 Bit (Early 2005)

Early Vista Systems

64 Bit compatibility depends on Processor installed.

• XPS M1210 – Windows 7 and 10 (Mid 2006)
• XPS M1710 – Windows 7 and 10 (Early 2006)
• XPS M2010 – Windows 7 and 10 (Mid 2006)

Late Vista Systems:

In the vast majority of cases Windows Vista systems will handle Windows 7 and Windows 10. 

• XPS M1330 – Windows 7 and 10 (Mid 2007)
• XPS M1530 – Windows 7 and 10 (Late 2007)
• XPS M1730 – Windows 7 and 10 (Late 2007)