We suggest that you get to know the following guides and articles first though:
Ultimate Guitar Tablature Guide
Tabs Pending Approval FAQ
To turn your Personal tab into public just take these steps:
1. Start editing your tab.
2. As soon as you're sure it's finished, just click on the 'Publish to UG' button.
Your tab will get to the Tab Pending Approval Queue (a.k.a. TPA) and will be reviewed by our moderators.
You will be notified by email and via website notifications as soon as your tab has been reviewed.