Google search for Windows 10 download. Download their install tool. Get a USB drive that is at least 8GB and download the install to there. It will walk you through it. Then once that is done, unplug your HDD and plug in your SSD ONLY. Boot off the USB drive and install windows 10. It should pick up what version of windows you had before. if not make sure you select the right one. Then once windows is installed, power down, connect the HDD, turn on Go into BIOS, make sure SSD is primary boot device. Once in windows, right click on start menu, go to disk management, and delete all the partitions on the HDD. Then right click, make a new partition and give it a drive letter.
To move your Documents and what not over, go to your User folder, then right click on each one. EX: Right click Documents --> Properties --> Location --> Then i just change the drive letter. So normally it is C:\users\username i just change it to D:\user\username or what ever drive letter it is.