I actually solved this issue on my own Windows 10 device, and as other's have said SMB v1 is disabled by default on Windows 10. The reason for this, was to force user's to use a more secure method of user & password instead of guest login.
I have SMB v1 disabled and only have SMB v2/v3 enabled on my device.
On my router, I only have SMB v2 enabled, with guest login turned off.
Create a alternate user(or use your router login details) and give them R/W permission's to your different Share's, check your permission's, as sometime's it reset's when you add a new folder
On your client device, \\192.168.1.1
enter user: router login name/alternate user
enter password: router password/alternate user password
On client make sure port 445 is open (SMB), you shouldn't need NETBIOS port, as I have mines disabled. Unless using SMB v1, also check your Window service's. I forgot which one's depend's on SMB, I'll have to check when I get home