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Aside from using the Optimization Patch and setting to Run As Admin, Compatibility for Windows Xp...
1) Start the game, presumably its in small screen.
2) Join a server... once loaded in press ALT ENTER
3) You will notice its Full Screen now but might be blurry/wrong resolution.
4) Press Esc.
5) Press Wrench.
6) Press Esc.
7) Then it should fix itself.
If any issues post here or #techsupport on the http://www.R6CHAT.com Discord
Play with us sometime on Rainbow Six 3 Raven Shield, Athena Sword, Iron Wrath, Rogue Spear, SWAT 4 maps all in one. Long live the classics. R6 Siege doesn't hold a candle to the classic titles of R6. Sorry to say.
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