One click plugin installation in any Wordpress themes

I am a Wordpress theme developer. I see many of premium wordpress theme have a built in one click plugin installation system like…

Example 1

Example 2

Can you guys help me which plugin they customize or how to create a section like this in any wordpress theme.

It is called onboarding.
here are the info from one of the top:

Some also use something TGMA ( example of what you show ) and they style / create a different page for that, which they result like that.

Thanks creativeGagency,
But I want to know, is there any way to customize TGMA like my screenshot? If have any plugin or free source, please give me the source link…

Yes there is, it is custom code although not something that exists as free somewhere.
You can use the TGMA class to make that results.