The Host File in Windows is here:
C:\Windows\System32\drivers\etc
To edit and add the lines below without problems, use this text editor:
https://notepad-plus-plus.org/downloads/
#IK Multimedia
0.0.0.0 ikstore.com
0.0.0.0 ikmultimedia.com
0.0.0.0 tone.net
0.0.0.0 dev.tone.net
0.0.0.0 txc.ikmultimedia.com
0.0.0.0 txcdev.ikmultimedia.com
0.0.0.0 www.ikstore.com
0.0.0.0 www.ikmultimedia.com
0.0.0.0 www.tone.net
0.0.0.0 www.dev.tone.net
0.0.0.0 www.txc.ikmultimedia.com
0.0.0.0 www.txcdev.ikmultimedia.com