https://sourceforge.net/projects/metasploitable/?source=typ_redirect
OR
You can get a temporary email address for here
https://mytemp.email/
You would give your information for download below site.
https://www.rapid7.com/products/metasploit/download/pro
On Kail
#wget https://downloads.metasploit.com/data/releases/metasploit-lastest-linux-x64-installer.run
#chmod 777 metasploit-lastest-linux-x64-installer.run
# ./metasploit-lastest-linux-x64-installer.run
Back to the mytemp.email
Refresh the site after then you will get a new email from rapid7.com that include an activate key.
I'd got the key which is 6TFD-YZCF-LZ1J-S1DH
https://localhost:3790
Make sure id , password and register the key
Download vagrant for Windows x64