| Factor | Windows 7/8.1 | Windows 10 (21H2+) | Windows 11 | | :--- | :--- | :--- | :--- | | | Works 100% | Fails with .NET or VC++ errors | Usually fails | | Post-install stability | Stable | Crashes on file open/save dialogs | Frequent UI glitches | | License manager | Works | Requires legacy component hack | Often refuses to activate | | Hardware acceleration | Full | Partial (disables some features) | Mostly software emulation |

command automatically detects the type of object you are hovering over (linear, angular, radial) and suggests the correct dimension type. Geometric Center Snap

You might wonder why anyone would install a decade-old CAD package.