Can you login to the Support Portal? You should see the login options here.
Product Support for Desktop Search
You don't need a current support contract to get in there. When you bought X1, you probably used an email address. If you don't have a password, ask it to send you one. If it doesn't recognise you, then you may have to contact them by email.
There really is no need to pay again, unless you want the new version.
When you do manage to login, it should show you the link to the 6.7.4 Client. Download it. PUT A COPY IN A SAFE PLACE. Then install it.
Product Support for Desktop Search
You don't need a current support contract to get in there. When you bought X1, you probably used an email address. If you don't have a password, ask it to send you one. If it doesn't recognise you, then you may have to contact them by email.
There really is no need to pay again, unless you want the new version.
When you do manage to login, it should show you the link to the 6.7.4 Client. Download it. PUT A COPY IN A SAFE PLACE. Then install it.