Microsoft Visual Studio 2010 Ultimate Product Key
YCFHQ9DWCYDKV88T2TMHG7BHP

Visual Studio 2010 Professional
YCFHQ-9DWCY-DKV88-T2TMH-G7BHP OR YCFHQ 9DWCY DKV88 T2TMH G7BHP

Visual Studio 2012 Ultimate
RBCXF-CVBGR-382MK-DFHJ4-C69G8
Visual Studio 2012 professional
4D974-9QX42-9Y43G-YJ7JG-JDYBP
 RBCXF-CVBGR-382MK-DFHJ4-C69G8
YKCW6-BPFPF-BT8C9-7DCTH-QXGWC   

Visual Studio 2013 Ultimate
BWG7X-J98B3-W34RT-33B3R-JVYW9

=========================================

Visual Studio 2019 Enterprise

BF8Y8-GN2QH-T84XB-QVY3B-RC4DF

Visual Studio 2019 Professional

NYWVH-HT4XC-R2WYW-9Y3CM-X4V3Y

(Thanks: https://gist.github.com/ahtazaz/cec94a5cb97593ce49e5a3d613f90441)