1. Go to Central Admin.
2. Then go to "Operations".
3. Select "Servers in farm" under Topology and Services category.
4. You can see the version of the SharePoint.
5. Follow below table to find out which version of SharePoint/Service pack installed on the server.
Version Name | Version Number | KB |
---|---|---|
First Release Version (RTM) | 12.0.0.4518 | N/A |
Service Pack 1 | 12.0.0.6219 | KB936988 |
Service Pack 2 | 12.0.0.6421 | 953338 |
Service Pack 3 | 12.0.0.6606 | 2526305 |