Hello
Do you want to change the hdd but you dont know how to format and program your pc or laptop?
No problem there is a program that will do that for you and for freeeee:D
Macrium Reflect is one of the best free app to clone your hdd and is freeware.
https://www.macrium.com/reflectfree
Its simple just download and install the home use version than connect the new hdd or ssd and clone the old one to the new one:D
When the clone finished remove the old hdd and put the new one and the computer will start as it was with the old hdd.