# Debug Installation

There is a helpful command called `forgebox version-debug` which will show you what version of a package will be installed without actually installing it.  It can also be useful to test a semver range and see what packages it matches.

So, for example, if you wanted to see what ColdBox version would be installed if you were to run

```bash
install coldbox@6.x
```

then you can instead run this

```bash
forgebox version-debug coldbox@6.x
```

 You will see output similar to this:

<figure><img src="/files/PjKuv5YUQvFJj0MgbqsX" alt=""><figcaption></figcaption></figure>

In order to filter the output to only show versions which matched your semantic version, use the `--showMatchesOnly`  flag

```bash
forgebox version-debug coldbox@6.x --showMatchesOnly
```

<figure><img src="/files/2lQjhLFHBQ7bedoXwTcM" alt=""><figcaption></figcaption></figure>


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