You need to have the game's Java Edition to add the mods. Bedrock Edition does not support mods and can only get add-ons that offer limited features and functionality.

Minecraft players can modify their gameplay experience in a multitude of ways and across different editions, thanks to Java Edition mods and Bedrock Edition add-ons.

Minecraft players can customize their games using a plethora of add-ons or mods, depending on which version they’re playing. Players on Bedrock Edition will primarily use add-ons, which can be ...

As of today, the cross-platform version Minecraft Bedrock has launched "add-ons" through its in-game marketplace which, yes, are essentially also mods, free and paid.

Like Bedrock, mods, realms and skins can be used in the Java version of Minecraft, and the servers are always packed with people looking to play alongside you.