You shouldn't have to reactivate Windows. I've upgraded both my Win 7 and Win 8 (now upgraded to Win 10) to Samsung EVO SSD's. I did have to reactivate one of my recording VST's (don't remember which) but that was all. The key is to IMAGE the entire hard drive - all partitions (assuming the actual data is smaller than the SSD size) and then do a Restore to the SSD. There are Clone options but Clone is iffy - may work for one person and not another, but the Image seems to be OK for all. Another reason not to use Clone is it copies the entire drive, corrupted data, and bad sectors to the new SSD. You don't want the corrupted data or bad sectors. A couple of our "guru's" on the Win 7 forum did some testing with Clones, using several different clone programs, including those in Acronis and Macrium (and several others) and found the Clone failed more than it didn't and their conclusion was that it was a "hit or miss" on getting a successful clone.