Yes, some users have reported using G2A or Kinguin to access the Windows key shortcut.
Yes, some users have reported using G2A or Kinguin to access the Windows key shortcut.
Microsoft software swap is a good option, as recommended by Octavia limousine. Keys were purchased there and appear to be valid. Seller S5ean, who also mods that subdomain, is a safe choice if you're not sure. Many sellers source keys from MSDN, which usually means they're trustworthy. The outcome depends on the situation.