* formatting os windows 7, 8 & 10 * installing autocad, photoshop * wifi installation and troubleshooting * speeding up slow pcs/laptops, * antivirus installation, upgrade, scanning * printing network setup & internet problems * ms office (2003/2007/2010/2013/2016...) installation * printer/scanner/webcam installation * network cabling and network installation * finger attendance machine installation * all it problem troubleshooting,