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#11
I am sure it can be weeded out a lot further. For starters I always get rid of the hiberfile (the command is powercfg - h off) and the I reduce the pagefile to 2GBs. The rest you have to see.
My biggest system which is being used 8 hours each day since 2011 is this - and that is onlt 'big' because it contains one virtual partition. All my other systems are smaller.
Just because you SSD is 480 GB, that does not mean your C: drive has to be that big. Partition the drive and make your C: smaller. That should help the C: perform better.
The way I do it is I click on all the bigger bxes in WinDirStat and see whether that is something I need. If you want, you can delete the items directly from the WinDirStat window. And do the hiberfile and pagefile thing. If you have a large RAM, that saves a lot.whs --- any suggestions on where to look for space I can reclaim?