Unsurprisingly, Windows 8.1 RT 8.1 features desktop mode. The biggest change compared to the previous version is the presence of a start button. The latter takes you to the Start menu - it doesn't act like a Windows Start button of old.
The most important feature of the classical desktop is that it allows you to access the file system on your tablet. The internal storage and every additional drive connected to the device are displayed here.
Folders are organized just like on any computer running Windows 7 or 8. You can search folders, jump straight to the Desktop, Libraries, Homegroup, Computer and Network.
The Lumia 2520 comes with a microUSB 3.0 port and a microSD card slot. Whenever a USB flash drive is plugged into the slate you get prompted to choose what to do. Autoplay includes the option to import content and open the folder to view files.
The Lumia 2520 had no trouble with any file we threw at it. DivX, XviD, avi, mp4, mov and MKV movies played without a hassle, all the way up to 1080p. Photos weren't a problem either and the same goes for PDFs and docs - none of those actually required us to install any kind of third party software.
While in Desktop mode, you are free to copy, cut and paste files all across the OS.
Although you cannot install legacy apps on Windows 8.1 RT, like you would on any x86 or x64 version of Windows, there are a couple of familiar faces present that will make you feel at home. Notepad, Calculator, Command prompt and Paint are all there.
And the same goes for the Control panel. You can uninstall apps, manage accounts, time and language options, view hardware information, etc.
When launched, the task manager shows you the currently running apps with the option to stop them or you could request to see more details. The latter displays a color-coded grid of your running apps with a per-app breakdown of CPU, RAM, Disk and Network usage.
There's a performance tab that lets you examine the CPU load over time as well as the load on RAM, storage, Bluetooth and Wi-Fi.
App History shows how much system resources your apps have used since the tablet has been active.
The phonebook on Windows 8.1 RT stores all of your contact information, rounded up from all of the accounts you sync with. You can view contacts from your Microsoft account, Facebook, Hotmail, Outlook, LinkedIn, Twitter and Google.
The What's New tab also made the cross from Windows Phone - it shows new events from all contacts in social networks.
The People app will even let you call contacts' phones from the Lumia 2520. It uses Skype to make the call, which requires a subscription or Skype credits. The slate comes with a year worth of free Skype calls to sixty destinations worldwide.
When editing a contact, you can add multiple phone numbers and email addresses of different types (home, work, etc), a custom ringtone, a note or a variety of different fields (like birthday, website, office location and so on).
The Me card is your own profile. From here you can post status updates, set chat status, check into locations. You can also change your profile picture (only for Facebook and Live though, still not Twitter) and view your online albums.
Unlike the previous version, Windows 8.1 RT comes without a dedicated messenger app. Those duties are now handled by the Skype app.
The virtual QWERTY keyboard is very comfortable to use and offers sound feedback. Unfortunately, there is no haptic feedback (vibration) and there's no way of enabling it.
The layout is tailored for the 16:9 aspect of the Lumia's screen. The keyboard comes in two modes - standard and split screen, which divides the QWERTY in two halves, docked on either side of the screen with a number pad in the middle.
There's handwriting recognition on Windows 8.1 RT. It works really well and, given the ample screen size, is very comfortable to use even with fingers.
The email app is divided into three screen panes. On the left you get the folder view, in the middle is the conversation view, while the currently selected email is displayed on the right.
You can set up any account, including Hotmail, Google, Yahoo or your own. The app supports exchange activesync, IMAP and POP accounts.
You can mark individual messages and move them, mark as read or unread and even pin them to the start menu. You can send emails from whichever account you choose.
In case, the "regular" email client is a tad too plain for you, Windows 8.1 RT has Outlook 2013 on board. Available in desktop only mode, it offers an old-school UI and an overwhelming amount of functionality.
Setting up an email address on Outlook 2013 however is ridiculously easy. All you need to do is type in the email address and the password. The function works even with IMAP accounts.