https://blog.agilebits.com/2018/05/29/1password-7-for-windows-the-best-ever/

How do I get it?
To start enjoying the best version of 1Password ever built, grab it here:

Download 1Password 7 [agilebits.com]

1Password 7 is included free for everyone with a 1Password membership. Simply unlock 1Password after downloading and you’re good to go.

Those of you with a standalone license will be prompted to subscribe or purchase a license when 1Password 7 first opens.
Licenses will cost $64.99 but are available during our launch special for only $49.99. Licenses are per-person, per-platform so you can use your single license on as many PCs as you have.
1Password 7 for Mac is a separate purchase.