[Windows Central Question]

i am using lumia 1320 with windows 8.1 cyan

[Nicholas Maguire]

I don't know of anything to do this. This isn't necessary on Windows Phone. Unlike Android, Windows Phone manages your recourses in a sensible manner. This is why Windows Phone runs good on low specs.

[Guytronic]

One of the freebie system diagnostic apps downloaded from the store can look at RAM use.
Can't remember off hand however I believe RAM usually stays below 343MB on a 1GB device.

[ttsoldier]

Not important on windows phone devices.

[Blacklac]

Not important on windows phone devices.

His curiosity is not important?

[Guytronic]

Here's shot of the Insider pro app reporting memory use on a Lumia 535.
(Half this for 512MB devices)

[Protocol Rahul]

You can also download the visual basic whatever the new version is, usually comes with developer tools such as ram usage, disk usage etc..