I have the following in powershell to rename

```
$version = "2.1.1.1"

```

But i want to make a copy or rename in the same directory as

```
myprogram_2.1.1.1.exe

```

The below doesnt work

```
Rename-Item -Path "C:\myprogram.exe" -NewName "myprogram.exe" + $version

```

Any help with this ?