Step 1 - To check whether you’re using the latest theme version, navigate to Appearance > Themes.
Step 2 - Hover over your theme and click on Theme Details. The version number will be next to the theme’s name.
Labels and theme image might differ from the ones pictured
Step 3 -Navigate to your theme’s item page on ThemeForest. If you scroll down the page, you’ll see an Update Log that lists the latest theme release.