how to connect mobile to desktop for internet/ how to connect mobile internet to pc/ wifi install

we are doing computer laptop services and networking cctv camera installation also
E services also...
like aadhar, pan, ration card, passport, voter id
income, community, nativity certificate
all type of online services available here..
shop address
sky computers
sri muthu mariyamman kovil complex
thuvakudi malai, anna valaivu
(near arts college)
thiruverumbur taluka
tiruchirappalli - 620022.
tamilnadu.
contact: 7904610609, 7871747766
whatsapp: [phone]