Basic Laptop Suggestion

I need laptop for basic office work like excel, word, email, surfing and a custom made ERP…..
Want to install SSD (preferred nvme), does anyone has idea if these laptops have m2 slot ?

have short list these two laptops.. one is a 14 inch & one 15 inch.

Please suggest and review the shortlisted laptops…..

https://www.flipkart.com/asus-pentium-quad-core...

https://www.flipkart.com/acer-one-14-pentium-go...