You can easily change the wrong decimal symbol or other number formats in Windows 10, the solution is also for Windows 8.1 and Windows 7!
1.) ... Open Customize Formats in Windows-10!
2.) ... Change the char for decimal symbol or other number formats!
3.) ... Find the Region settings via Search in Windows-10!
See also: ► Mouse Double-Click problem at Windows-10 ► Start navigation click sound in Windows 10
Please open the Customize Format Window in Windows 10. For example via Windows 10 Run Dialog and the command:
intl.cpl (... see Image-1 Arrow 1 and 2)
And now in the Tab Formats click the button Additional settings ... (... see Image-1 Arrow 3 and 4)
and change the decimal symbol and / or other number formats!
At this point, you can change the format for dates, times, currency, and measurements in Windows 10, and also change the sorting order of text to match sorting rules used in a specific country or region.
Or reset to System default settings! (... see Image-2)
One of the possible problems that may occur after installing Windows 10 instead of German letters in the programs, as well as in documents. More often, there is an incorrect display of the comma and decimal as it was initially set to English and not quite, but there are exceptions where it simply does not work.
See also: ► change the language in Windows 10 ► find auto startup folder in Windows 10
Enter in the search box the text region and run (open) the Region Settings! (... see Image-3)
FAQ 146: Updated on: March 26th 2018 09:39