In the past, I could do this http://superuser.com/questions/200153/how-can-i-increase-the-size-of-the-pinned-jump-list-in-windows-7

But the "Start Menu" tab is gone as mentioned in http://www.tenforums.com/general-discussion/10474-taskbar-start-menu-customization-tab-missing.html 

Thanks

Hi,

Yes, we already noticed that issue, I thought that it can be done by registry modification, I monitored this behavior under Windows 7, found following registry entry.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ Start_JumpListItems

And I created this value, but unfortunately it changes nothing even I modified this entry.

Please feedback/vote this issue to us by using feedback tools in Windows 10, in the other hand, this request will be collected from our side. Your understanding is highly appreciated.

Regards,

D. Wu