My PC is not crashing, but the game is freezing up when first loading and then it freezes every 10-15 minutes and is slow to load up texure.graphics.... any ideas about what it could be?

Windows 10 Pro 64-bit
Intel Core i7 9700 @ 3.00GHz
4095MB NVIDIA GeForce RTX 2060 SUPER (Sapphire/PCPartner)