# Manage CPI bids

> Manage your existing Cost per Install (CPI) bids in the Unity User Acquisition Dashboard.

Cost per install (CPI) bids are the bidding strategy for Install campaigns. Refer to this guide for instructions on how to edit and delete existing CPI bids for your campaign.

## Prerequisites

To edit CPI bids, you must first add bids to your campaign.

## Edit bids

Use these instructions to manually edit existing bids in your install campaign:

1. In your campaign settings, go to the **Countries and bids** section.
2. Select **Edit** to make the bids editable.
3. Edit your bids individually or in bulk. Refer to the following tabs for instructions for each method.

1) **Edit bids individually**

   To edit individual bid values, do the following:

   1. Select the bid value to make the field editable.
   2. Highlight the existing value and type your new value in the field.
   3. When you are done editing your bids, select **Save**.

2) **Edit multiple bids**

   To edit multiple bids at the same time, do the following:

   1. Select the checkbox next to all countries whose bids you want to edit.
   2. Select **Adjust Rate**.
   3. Use the dropdown to select your adjustment method. Choose from the following options:

   | Adjustment option      | Description                                               | Example                                                   |
   | ---------------------- | --------------------------------------------------------- | --------------------------------------------------------- |
   | Increase by percentage | Increases all selected bids by the specified percentage   | If the value is `25%`, a $4.00 bid becomes a $5.00 bid.   |
   | Decrease by percentage | Decreases all selected bids by the specified percentage   | If the value is `25%`, a $4.00 bid becomes a $3.00 bid.   |
   | Increase by value      | Increases all selected bids by the specified dollar value | If the value is `$1`, a $4.00 bid becomes a $5.00 bid.    |
   | Decrease by value      | Decreases all selected bids by the specified dollar value | If the value is `$1`, a $4.00 bid becomes a $3.00 bid.    |
   | Change to value        | Sets all selected bids to the specified dollar value      | If the value is `$1.50`, a $4.00 bid becomes a $1.50 bid. |

   3. Enter your adjustment value in the field next to the dropdown, and select **Apply** to make your changes.
   4. Select **Save** to keep your changes.

## Delete bids

Do the following to delete an existing bid in your install campaign:

1. In your campaign settings, go to the **Countries and bids** section.
2. Select **Edit**.
3. Select the checkbox next to each country whose bid you want to remove from your campaign. You can also type a country in the search box to find specific countries.
4. Select **Delete** to remove the chosen bids from your campaign.
5. Select **Save** to keep your changes.