Tera Term is an open source Windows Terminal software that enables port connections to Telnet and SSH enabled devices. As far as drivers if you are connecting to a physical device via RS232 with a USB cable there may be some drivers required.
Here are the pages for specific USB to RS232 Devices, many use the same chipset so check the device ID in the device manager.
Prolific USB to Serial Driver Windows 10
Keyspan USA-19HS USB to Serial Adapter Driver
Also there is a download below for the latest version Tera Term which is 4.1
Basic Specs:
- Serial port connections over UART.
- TCP/IP (telnet, SSH1, SSH2) connections.
- Log replaying.
- Named pipe connection.
- IPv6 communication.
- VT100 emulation and selected VT200/VT300 emulation.
- Tek4010 emulation.
- File transfer protocols (Kermit, XMODEM, YMODEM, ZMODEM, B-PLUS and Quick-VAN).
- Scripts using the "Tera Term Language".
