How do I get 2 HDMI monitors running on my AMD Radeon R9 270?

Computer Type: PC/Desktop
System Manufacturer/Model Number: pc specialist (self design spec) Upgraded
OS: Win 11 x 64 Home on PC and Win 11 Home x 64 on Surface 9
CPU: amd ryzen 6 7600X 6 core
Motherboard: Gigabyte B6500M K
Memory: 32GB DDR5
Graphics Card: MSI Nvidia Geforce RTX 4070
Sound Card: ONBOARD 6 CHANNEL (5.1) HIGH DEF AUDIO (AS STANDARD)
Monitor(s) Displays: Coolermaster GM27-FFS 27 inch
Screen Resolution: 1920 x 1080
Keyboard: MS K600 and Logotech G231 gamer
Mouse: RisoPHy Wireless TM243
PSU: 700
Case: Coolermaster
Cooling: DEEP COOL AS500 CPU COOLER
Hard Drives: Samsung V-NAND SSD 970 Evo plus 500GB 3TB SATA-III 3.5" HDD, 6GB/s, 7200RPM, 64MB CACHE 1 x 4TB and 1 x 5 TB external drives & big sticks other HDD drives optional (when I get around to it) 500GB drive on dock for savers.
Internet Speed: 600+MB
Browser: chrome
Antivirus: Kaspersky Plus
Other Info: WIRELESS 802.11 AC1300 867Mbps/5GHz, 400Mbps/2.4GHz PCI-E CARD Logitech L207 BT Speakers Asus DRW-14D5MT x48 Net via Virgin hub 3 (using RJ45 cable). Plus MS surface 9 tablet. And Amazon Fire 10