The software should be capable of being installed on desktops, laptops, and in any windows based operating systems. Language lab should be developed as per CEFR refereed standards i.e. syllabus should be divided as per A1, A2, B1, B2, C1, C2 standards. The content should focus on building all four language skills namely, LSRW.
https://www.englishlab.co.in/english-language-lab-technical-specification