Microsoft used to offer separate language packs for each supported language in earlier Windows versions e.g., Windows 8.1, Windows 7 and Windows XP. But from Windows 10 language packs can be installed directly from Windows Settings free of cost.
You can get one here:
https://www.appsforwin10.com/windows-10-1909-iso-19h2/
Use the Add a language feature to download and install another language for Windows 10 so you can view menus, dialog boxes, and supported apps and websites in that language. To do this:
Select the Start button, and then select Settings > Time & Language > Language.
Open Language settings
Under Preferred languages, select Add a language.
Language settings in Windows 10
Choose a language to install, select or type the name of the language that you want to download and install, and then select Next.
Under Install language features, select the features that you want to use in the language that you selected to download, and then select Install.
Install language features in Windows 10
To use Microsoft Office in your preferred language, download an Office language pack.
You can download and install any of the following languages in Windows 10.
Language Native name Base language required
Afrikaans Afrikaans
English (United States)
Albanian shqip English (United States)
Amharic አማርኛ English (United States)
Arabic العربية Any language
Armenian Հայերեն English (United States)
Assamese অসমীয়া English (United States)
Azerbaijani (Latin) Azərbaycan English (United States)
Bangla (Bangladesh) বাংলা (ভারত) English (United States)
Bangla (India) বাংলা (ভারত) English (United States)
Basque euskara Spanish (Spain)
Belarusian беларуская мова Russian
Bosnian (Latin) bosanski English (United States)
Bulgarian Български Any language
Catalan català Spanish (Spain)
Central Kurdish (Arabic) سۆرانی English (United States)
Cherokee (Cherokee) ᏣᎳᎩ ᎦᏬᏂᎯᏍᏗ English (United States)
Chinese Simplified 中文(简体) Any language
Chinese Traditional 中文(繁體) Any language
Croatian hrvatski Any language
Czech čeština Any language
Danish dansk Any language
Dari درى English (United States)
Dutch Nederlands Any language
English English Any language
Estonian eesti Any language
Filipino Filipino English (United States)
Finnish suomi Any language
French français Any language
Galician galego Spanish (Spain)
Georgian ქართული English (United States)
German Deutsch Any language
Greek Ελληνικά Any language
Gujarati ગુજરાતી
English (United States)
Hausa (Latin) Hausa English (United States)
Hebrew עברית Any language
Hindi हिंदी English (United States)
Hungarian magyar Any language
Icelandic íslenska English (United States)
Igbo Ndi Igbo English (United States)
Indonesian Bahasa Indonesia English (United States)
Irish Gaeilge English (United States)
isiXhosa isiXhosa English (United States)
isiZulu isiZulu English (United States)
Italian italiano Any language
Japanese 日本語 Any language
Kannada ಕನ್ನಡ English (United States)
Kazakh Қазақ English (United States)
Khmer ខ្មែរ English (United States)
K'iche' Qatzijob'al Spanish (Mexico)
Kinyarwanda Ikinyarwanda English (United States)
KiSwahili Kiswahili English (United States)
Konkani कोंकणी English (United States)
Korean 한국어 Any language
Kyrgyz Кыргыз Russian
Latvian latviešu Any language
Lithuanian lietuvių Any language
Luxembourgish Lëtzebuergesch French
Macedonian македонски јазик English (United States)
Malay (Malaysia, Brunei, and Singapore) Bahasa Melayu English (United States)
Malayalam മലയാളം English (United States)
Maltese Malti English (United States)
Maori Te Reo Māori English (United States)
Marathi मराठी English (United States)
Mongolian (Cyrillic) Монгол хэл English (United States)
Nepali नेपाली English (United States)
Norwegian (Bokmål) norsk (bokmål) Any language
Norwegian (Nynorsk) norsk (nynorsk) Norwegian (Bokmål)
Odia ଓଡିଆ English (United States)
Persian فارسی English (United States)
Polish Polski Any language
Portuguese (Brazil) português Any language
Portuguese (Portugal) português Any language
Punjabi ਪੰਜਾਬੀ English (United States)
Punjabi (Arabic) پنجابی English (United States)
Quechua runasimi Spanish (Mexico)
Romanian română Any language
Russian Русский Any language
Scottish Gaelic Gàidhlig English (United States)
Serbian (Cyrillic, Bosnia and Herzegovina) српски English (United States)
Serbian (Cyrillic, Serbia) српски Serbian (Latin)
Serbian (Latin) srpski Any language
Sesotho sa Leboa Sesotho sa Leboa English (United States)
Setswana (South Africa and Botswana) Setswana
English (United States)
Sindhi (Arabic) سنڌي English (United States)
Sinhala සිංහල English (United States)
Slovak slovenčina Any language
Slovenian slovenski Any language
Spanish Español Any language
Swedish svenska Any language
Tajik (Cyrillic) тоҷикӣ Russian
Tamil (India and Sri Lanka) தமிழ் English (United States)
Tatar Татар Russian
Telugu తెలుగు English (United States)
Thai ไทย Any language
Tigrinya (Ethiopia) ትግርኛ English (United States)
Turkish Türkçe Any language
Turkmen Türkmençe Russian
Ukrainian українська Any language
Urdu اردو English (United States)
Uyghur ئۇيغۇرچە Simplified Chinese (China)
Uzbek (Latin) O'zbekcha English (United States)
Valencian valencià Spanish (Spain)
Vietnamese Tiếng Việt English (United States)
Welsh Cymraeg English (United States)
Wolof Wolof French
Yoruba ede Yorùbá English (United States)
May I redistribute the Language Pack?
If you represent a government or government agency, a government-affiliated or government-sponsored cultural or language board or institution, or an accredited educational institution, you may redistribute the Pack to validly licensed users of the Software, in the same form as received from Microsoft.