No need to wipe your hard drive. It looks like you will be installing the OS on your new ssd. That is good.
Make certain that your sata mode in the bios is AHCI(not IDE or raid). That enables trim support.
Disconnect your old hard drive or windows will attempt to put a hidden recovery partition on it.
After windows install, reattach your hard drive and all your files will be available. Any programs will need to be reinstalled.
If you want to recover your settings, use windows easy transfer now to create a file of them on your hard drive.
After the os install, you can import them back.