Current .NET Version Penetration
The bad news is that only 52.7% of the users has .NET Framework 3.5 installed on their PCs, but as you can see from the table they become more and more very fast:
| Mar-08 | Jun-09 | Aug-09 | Oct-09 | |
| Dot Nothing | 28.12% | 25.60% | 25.53% | 21.40% |
| .NET 1.0 | 2.59% | 0.60% | 0.40% | 0.30% |
| .NET 1.1 | 23.22% | 13.00% | 8.41% | 7.70% |
| .NET 2.0 | 27.41% | 23.20% | 23.02% | 11.60% |
| .NET 3.0 | 17.67% | 14.40% | 10.01% | 6.30% |
| .NET 3.5 | 0.99% | 21.82% | 32.63% | 52.70% |