Disk Space Cleanup

Empty recycle bin, after backup of course

Verify De-duplication stats; PowerShell as Admin
Get-DedupStatus c: | fl
pay attention to
LastOptimizationTime : 5/13/2020 12:45:07 PM

Manually run the Deduplication garbage collection in case the scheduled task has stopped:
Start-DedupJob -Type GarbageCollection -Priority High -Volume “c:”

Get-DedupJob -Volume “c:”

Download Mass Image Compressor (req DotNet) and run it. 90% jpeg compression is still perfectly usable.