Every Computer User Must Know This ??

Описание: Every computer user should know this ? What is oem and retail key ? difference between oem and retail key ? why we need to activate the the window and how we can buy genuine window 7 , window 8 , window 10 key all information in hindi. main difference between OEM and Retail key in hindi. https://www.windows10offer.com/ Discount Coupon code for my subscriber : manoj250 (for all product off) manoj750 (Retail Key off) ------------ Support me By (its Free) ----------------- LIKE | COMMENT | SHARE | SUBSCRIBE Kare aur Ghanti dabaye aise hi videos ke liye My Second channel Subscribe Now https://www.youtube.com/channel/UCwrg... हमें फॉलो करना न भूले Facebook :   / technologygyan4u   Twitter :   / sarumanoj   instagram :   / manojsaru   visit website : https://catchhow.com Equipment used : Camera Used : http://amzn.to/2srDtC0 lens used : http://amzn.to/2scMRaM Mic Used : http://amzn.to/2sdanEq Laptop Used : http://amzn.to/2t4zr0p Subscribe Our Channel For More Videos    / technologygyan   New Videos Check This https://www.youtube.com/playlist?list... internet tips & Tricks Videos https://www.youtube.com/playlist?list... Computer Tips & Tricks https://www.youtube.com/playlist?list... Android Mobile Tips & Tricks https://www.youtube.com/playlist?list... Technology Gyan All Videos https://www.youtube.com/playlist?list... --- Manoj Saru ---