Before downloading third-party software, make sure you aren't missing the native tool already included in your Premiere Pro subscription.
If the built-in tool is not meeting your needs, you have options.
Import your raw footage into Catalyst Browse, adjust the stabilization slider, and export. The results are often cleaner than any visual plugin because it uses real-time hardware data.
If you have a GoPro, DJI Osmo, or any camera with gyroscope data in the metadata, Gyroflow blows Warp Stabilizer out of the water.
Once you've installed the plugin, here's how to use it: