How do I get rid of double edges in blender?

Select the part of the mesh in which you want to remove double vertices. Usually, you want to remove them from the whole mesh, which you can select with A. 2. Press W to access the Specials menu and pick the Remove Doubles option (by default, it lacks a shortcut).

>> Click to read more <<

Regarding this, how do I get rid of doubles?

Remove duplicate values

1. Select the range of cells that has duplicate values you want to remove. Tip: Remove any outlines or subtotals from your data before trying to remove duplicates.
2. Click Data > Remove Duplicates, and then Under Columns, check or uncheck the columns where you want to remove the duplicates. …
3. Click OK.

Besides, how do you put two vertices together in blender?

Select one vertex, then hold down Shift and select the other vertex. Press M for the Merge function, then select how you’d like to merge the vertices from the available options.