I found why.
It was a problem with the typographic name.
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I created this font: https://mega.nz/file/W8d2iDIS#m4JEdhtTRWmBLAGja50LPa1LRxJ3VfBAv2Mecw1zQLc
I installed it.
I can see it in my registry at HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Fonts
But, when I go to C:\Windows\Fonts, I can't see it. It is not even hidden.
Because of that, I can't use the font in word, photoshop, etc.
Do I need to change something in my font so it can be compatible with windows?
Thank you
PS: Yes, this thread looks a lot like this one
I found why.
It was a problem with the typographic name.
Rebuild Windows Font Cache:
Create a new Notepad document and copy the following content to the file:
@Echo off
:: Stop and disable "Windows Font Cache Service" service
:FontCache
sc stop "FontCache"
sc config "FontCache" start=disabled
sc query FontCache | findstr /I /C:"STOPPED"
if not %errorlevel%==0 (goto FontCache)
:: Grant access rights to current user for "%WinDir%\ServiceProfiles\LocalService" folder and contents
icacls "%WinDir%\ServiceProfiles\LocalService" /grant "%UserName%":F /C /T /Q
:: Delete font cache
del /A /F /Q "%WinDir%\ServiceProfiles\LocalService\AppData\Local\FontCache*FontCache*"
del /A /F /Q "%WinDir%\System32\FNTCACHE.DAT"
:: Enable and start "Windows Font Cache Service" service
sc config "FontCache" start=auto
sc start "FontCache"
Click on "File" and click "Save AS".
Name the file as Rebuild_FontCache.bat and set the type as "All Files".
Navigate to Desktop and click "Save".
Double-click on Rebuild-FontCache.bat to run it.
Reboot.
No, that was a problem with the font, not with windows.
I found why. I just don't know how to close my question