How To Find Which Service Pack Level PC Is Running On Your Windows Vista

Knowing what service pack is installed on your Windows Vista system is important for a number of reasons.

Some software programs may require that Windows Vista is patched to a certain service pack and may not operate correctly if the service pack is not installed.

Knowing the service pack level you’re currently running in Windows Vista can also come in handy when troubleshooting certain problems or when manually installing a service pack.

Here’s How:

1. Click on Start and then Control Panel.Tip:
   In a hurry? Type system in the search box after clicking
   Start. Choose System from the list of
   results and then skip to Step 4.
2. Click on the System and Maintenance link.Note:
   If you’re viewing the Classic View of Control Panel, you won’t see
   this link. Simply double-click on the System icon and
   proceed to Step 4.
3. Click on the System link.
4. In the Windows edition area of the View basic information
   about your computer window you’ll find your Windows Vista edition
   information and the service pack level. See the screen shot on this page for
   an idea of what you’re looking for.Note: If you don’t have
   any service pack installed, you won’t see “Service Pack 0″ or “Service Pack
   None” - there will be no reference to a service pack at all.