Find large *folders* on hard disks

My hard disk is full. I need to empty some space. I'm trying to locate the large folders I can empty. However there seems no good way to locate these folders in windows. Trying to search via Win Explorer Search option: "size:gigantic kind:=folder", simply doesn't work. It gives me only files.
Note that it must be that there IS some large folders: e.g., C: is a folder. And it is larger than "gigantic". (The search should be recursive of course).

Help!

I've now installed a 3rd party too Disk Savvy. It can do precisely the thing that Win 10 can't: show you directories and percentage they take out of your space, so that you can easily see which one you need to delete, trim, etc.

Questions:

1- Is it safe to delete Downloaded Installations from the Windows folder?

2- Is it safe to delete C:\Windows\Installer?

TreeSize Free is very useful for this.

pepanee said:

This is part from my Windows Notes file...

• Clean Up Hard Drive Space
1) Analyze and clean up the WinSxS folder
a) Open cmd.exe as an Administrator and insert:
DISM.exe /Online /Cleanup-Image /AnalyzeComponentStore
to see if a clean up is recommended
b) Insert:
DISM.exe /Online /Cleanup-Image /StartComponentCleanup /ResetBase
to clean up the WinSxS folder

2) Delete Old System Restore Points
a) Open Ashampoo WinOptimizer
b) Press Main menu
c) Under General, press System Restore Manager
d) Delete old System Restore points

3) Use PatchCleaner

4) Use Disk Cleanup
a) Search for, and open, Disk Cleanup
b) Select the Main Drive and press OK
c) Press the 'Clean up system files' button
d) Select the Main Drive again and press OK
e) Select the following, press OK, then press Delete Files
> Windows Update Cleanup
> Windows Defender Antivirus
> Windows upgrade log files
> Downloaded Program Files
> Temporary Internet Files
> DirectX Shader Cache
> Delivery Optimization Files
> Device driver packages
> Temporary files
> Thumbnails

You can also use CCleaner to delete old restore points. Wise Disk Cleaner is useful but use with care. Driver Store Explorer is useful for finding and deleting old drivers - some e.g. video drivers can be very large.

Directory Report finds large folders