Replacing son’s PC guts as a present this year. Same case, PSU, DVD, SSDs; new mainboard, CPU, RAM. Since the existing machine was Win7 with the upgrade to Win10, I realise I have to buy a new license for Win10. My question is: can all the new hardware be installed and Win10 started with the existing SSDs in Safe Mode, so I can remove/install drivers without having to nuke the boot volume & start over? I know the commands to change the installation key for the new license so it can activate again, I’m simply hoping to avoid a complete wipe.