Compress drive to save disk space

its not possible to increase ur memory size but u can compress ur data to save ur disk space, this feature is available in NTFS drive..
if u have a fat or fat32 drive, u can convert it to ntfs by running a command on dos:
for c drive:
convert c:/fs:ntfs
for d drive:
convert d:/fs:ntfs
for e drive:
convert e:/fs:ntfs
run the command similarly if u have more drive...

Compresing data in NTFS

* open my computer
* select any drive(drive with NTFS format)
* right click and select properties
* click on general tab
* select "compress drive to save disk space"
* Apply and OK