One can customize the toolbar part of photoshop in some different ways.

Move the Toolbar: To customize the photoshop toolbar or location, click on the dotted line located at the top of the Toolbar. You need to drag the Toolbar to another part of the screen. This function un-anchors the Toolbar from the default location.

Use columns: If you prefer the adobe photoshop CC 2020 toolbar, you can choose single or double columns. Click on the triangles again from the Toolbar back into a single column.

Add/remove tools: if you use Photoshop CC 2020, you can customize your photoshop own. However, Photoshop CC 2020 allows you to remove or add any tools from its panel. Click on the three dots located at the bottom of the Toolbar and above the foreground color. Add or remove tools from this panel.

Once you delete an important tool unconsciously from photoshop CC 2020 toolbar, it will show from the dropdown menu. Click on these dots. If there is a default setting, the only option is to click on the edit toolbar. Click on edit and open the customize Toolbar.

Within this panel, you can customize the tools that appear on the Toolbar. The tools you rarely need can move into the extra tools so they won’t show in the Toolbar. Click on the tools you want to move or add from the Toolbar, or drag it to the extra tools column. You can also drag tools from extra tools to the toolbar column.