Generally, It is a standard part of the update process.
If you’re certain the update should have installed by now, try these steps in order: what does pending install mean on windows update
If you are tired of waiting, or if the status refuses to change, here are the steps to force the installation. Generally, It is a standard part of the update process
If an update has been "pending" for more than 24 hours, try these solutions in order: How to Fix a Windows Update Pending Install (Solved) what does pending install mean on windows update