You can also make Spotify the default player from your Amazon online account page:
Log in to your Amazon Alexa online account.
Under Music Services, select Choose default music service.
Under Default music library, choose Spotify.
Alexa will now automatically play music from Spotify, so there’s no need to specify this with your voice commands
To change the primary monitor
This procedure applies when two or more monitors are connected to one computer.
||Open Display in Control Panel.
||On the Settings tab, click the monitor icon that represents the monitor you want to designate as the primary one.
||Select the Use this device as the primary monitor check box.
This check box is unavailable when you select the monitor icon that is currently set as your primary monitor.
||To open Display, click Start, click Control Panel, click Appearance and Themes, and then click Display.
Source: Microsoft Windows XP – Change the primary monitor
How To Turn Your Windows 8.1 Device Into A WiFi Access Point
via How To Turn Your Windows 8.1 Device Into A WiFi Access Point.
/W Removes data from available unused disk space on the entire
volume. If this option is chosen, all other options are ignored.
The directory specified can be anywhere in a local volume. If it
is a mount point or points to a directory in another volume, the
data on that volume will be removed.
via MS-DOS cipher command help.
/w: Removes data from available unused disk space on the entire volume. If you use the /w parameter, all other parameters are ignored. The directory specified can be located anywhere in a local volume. If it is a mount point or points to a directory in another volume, the data on that volume is removed.