Yet Another Commit Checker can be installed quickly through the Atlassian Marketplace. You must have administration access to your Bitbucket instance to install an app through the Atlassian Marketplace.
Log into your Bitbucket instance as an admin.
Click the Administration cog icon in the top-right corner of any Bitbucket page to open the Manage apps page.
When the Administration menu bar opens on the left side of the page, click Find New Apps, located under the ADD-ONS heading. The Atlassian Marketplace for Bitbucket page opens.
Locate Yet Another Commit Checker via the Search the Marketplace field. Select Yet Another Commit Checker from the search results.
Click Try free to begin a new trial or Buy now to purchase a license for Yet Another Commit Checker. You're prompted to log into MyAtlassian before Yet Another Commit Checker can download.
Enter your information and click Generate license when redirected to MyAtlassian.
Click Apply license. If you're using an older version of UPM, copy and paste the license into your Bitbucket instance.
If necessary, you can download an earlier version of Yet Another Commit Checker. Go to the Version History page and select another version of Yet Another Commit Checker. See Downgrade YACC for instructions.
Use the latest version of Yet Another Commit Checker whenever possible. This ensures you have the latest security features and patches.