Will i get the license key?

Yes, of course! you will receive a unique license key for your purchase. You can

Can I use this product forever/lifetime?

Of course yes! The license of this WordPress plugin is valid forever. Apart from the

Will I get free updates even after the expiry

Technically, the license will remain active for a lifetime and hence you will get free

What is the validity of the license?

There is no defined tenure for the license and hence your license will be valid

For how long I will get free updates?

You will get free updates of this plugin for a lifetime without any additional terms