How do you become proficient with a weapon in dungeons and Dragons Online?

To become proficient with a weapon in Dungeons and Dragons Online (DDO), you'll need to select the appropriate class and race that grants proficiency with the desired weapon type. As you gain experience and level up, focus on enhancing your character's skills and abilities related to that weapon, such as investing in relevant feats and weapon-specific enhancements. Additionally, practice using the weapon frequently in combat to improve your character's overall effectiveness and gain familiarity with its mechanics. Finally, consider equipping gear and items that boost your proficiency and damage output for that weapon type.