map network drive

That’s not going to work. Try a power shell command. Here’s a link on how to format the script:

https://serverfault.com/questions/690231/map-network-drive-to-a-webdav-server-via-powershell

Error 53 is a network path not found.  Are you using the correct URL with your net use command?

You might want to try using curl.exe instead.  I believe curl exist in newer versions of Windows 10 now.  Builds 1706 and earlier require a download from https://curl.se/windows/

Follow the instructions near the bottom of the screen.

network path it's fine. Under setting in nextcloud there are a dav function and i use this link.
i can do it whiout any problem in ubuntu desktop but not in windows. there is a windows issue. I don't know where to look it? 

Your code sample suggests you might be passing your password on a second line.
If so, try putting it on the first line after your username

net use Z: https://URL/PATH/remote.php/dav/files/USERNAME/ /user:youruser yourpassword

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Alternately you can try mapping using:

net use Z: \\URL@ssl\PATH\remote.php\dav /user:youruser yourpassword

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or by using Windows Explorer

https://docs.nextcloud.com/server/13/user_manual/files/access_webdav.html#mapping-drives-with-the-command-line

@kenfcamp
no its just copy past, i wrote in same line. But right now i do not have certificate install in nextcloud and i write http and not https maybe it's the issue.
i wrote :
net use Z: http://ip-address/remote.php/dav/files/xxx/ /user:xxx yyyy
which my user is xxx and password is yyyy

doesn't  matter what i do i get error 67

i do not have certificate install in nextcloud

Yea, that's more than likely your issue

Personally I wouldn't recommend even attempting to connect until you get a certificate in place

Yes issue was certificate. i install certificate then used webdav and enable to share in windows 10 (dav is always off in apache2 and i don't know how to make it on. i set dav  on in apache then i can't start apache2 and say dav off  then apache2 was ok to start )
very strange from windows, just report error code 67.