In order to transfer files onto a USB flashdrive is explained at links listed at
https://www.google.com/search?q=how+to+transfer+files+onto+a+flashdrive&oq=how+to+transfer+files+onto+a+flashdrive&aqs=chrome.0.57.133&sourceid=chrome&ie=UTF-8.
What do you mean?
How to change profile picture on Facebook is explained at links listed at
https://www.google.com/search?q=how+to+change+profile+picture+on+facebook&oq=how+to+change+profile+picture+on+facebook&aqs=chrome.0.57j62l3.150&sourceid=chrome&ie=UTF-8.
You wish to download a picture from Facebook? if so, open the picture, right click on it, choose 'Save as...', on the dialog box that opens choose the location and name you wish for the picture, and click the 'Save' button.
The 5x5x8 room is 5 meters on 5 meters?
How to unlock a Samsung telephone device is explained at links listed at
https://www.google.com/search?q=unlock+samsung+phone&aq=f&oq=unlock+samsung+phone&aqs=chrome.0.57j0l3.1539&sourceid=chrome&ie=UTF-8.
You can add the model of your device of more specific directions.
How to copy an audio CD with Windows 8 is explained at links listed at
https://www.google.co.il/search?q=How+to+copy+an+audio+CD+with+Windows+8&oq=How+to+copy+an+audio+CD+with+Windows+8&aqs=chrome.0.57.154&sourceid=chrome&ie=UTF-8.
How to transfer photos from a computer to an iPad is explained at links listed at
https://www.google.com/search?q=transfer+photos+from+computer+to+ipad&oq=transfer+photos+from+computer+to+ipad&aqs=chrome.0.57.32688&sourceid=chrome&ie=UTF-8?
How to fix various Javascript errors is explained at links listed at
https://www.google.com/search?q=how+to+fix+javascript&aq=f&oq=how+to+fix+javascript&aqs=chrome.0.57j0l3j62l2.5803&sourceid=chrome&ie=UTF-8.